MODEL REFERENCE

Brother DS-635

5 errors · 29 troubleshooting topics · 42 guides

Brother DS-635

The checks and guides below come from the official manuals for this model.

Errors and indicators

Messages and indicator states from the manual
Find the indicator lights
DS-635 Power/Scan LED and START/STOP button locations. The green light locates the LED; use the state descriptions to identify faults.
DS-635 Power/Scan LED and START/STOP button locations. The green light locates the LED; use the state descriptions to identify faults.

Diagram key

  • 1: Power/Scan LED, indicating machine status
  • 2: START/STOP Button; press to start or stop scanning
DS-635 Power/Scan LED: steady green is Ready; blinking green means scanning, Remote Setup or startup; blinking orange means an error.
DS-635 Power/Scan LED: steady green is Ready; blinking green means scanning, Remote Setup or startup; blinking orange means an error.
DS-635 blinking orange Power/Scan LED: Document Jam, Top Cover Open or Insufficient Storage Space.
DS-635 blinking orange Power/Scan LED: Document Jam, Top Cover Open or Insufficient Storage Space.

Diagram key

  • Blinking orange: Check the listed fault and follow its corresponding action
DS-635 firmware update: Power/Scan LED alternates green and orange. Wait for completion.
DS-635 firmware update: Power/Scan LED alternates green and orange. Wait for completion.

Diagram key

  • Green: Green Power/Scan LED state
  • Two-way arrow: Alternation between the green and orange states during firmware update
  • Orange: Orange Power/Scan LED state
DS-635 service-call indication: Power/Scan LED rapidly blinks orange. Contact Brother service.
DS-635 service-call indication: Power/Scan LED rapidly blinks orange. Contact Brother service.
Document JamDocument Jam — DS-635 blinking orange Power/Scan LED: Document Jam, Top Cover Open or Insufficient Storage Space.document Jam
Clear the jam using the reviewed Document Jam instructions. For a long document, select Long Paper in Scan Size or Document Size. Insert embossed cards embossed side up.
Top Cover OpenTop Cover Open — DS-635 blinking orange Power/Scan LED: Document Jam, Top Cover Open or Insufficient Storage Space.top Cover Open
Close the Top Cover.
Insufficient Storage SpaceInsufficient Storage Space — DS-635 blinking orange Power/Scan LED: Document Jam, Top Cover Open or Insufficient Storage Space.insufficient Storage Space
For Scan to PC, press START/STOP to clear the error and ensure the destination folder has enough space to save the scanned data.
Updating the FirmwareUpdating the Firmware — DS-635 firmware update: Power/Scan LED alternates green and orange. Wait for completion.updating the Firmware
Wait for the firmware update to finish.
Service Call IndicationsService Call Indications — DS-635 service-call indication: Power/Scan LED rapidly blinks orange. Contact Brother service.service Call Indications
Contact your Brother dealer or Brother Customer Service if this indication appears.

Troubleshooting

Find the problem you are experiencing
TWAIN or WIA errors appear when starting to scan. (Windows)1 check
The TWAIN or WIA driver has not been selected as the primary source in your scanning application.
  1. Check the Brother TWAIN or WIA driver is selected as the primary source in your scanning application.
  2. For example, in Nuance™ PaperPort™ 14SE, click Scan Settings > Select.
  3. Select the Brother TWAIN/WIA driver.
ICA errors appear when starting to scan. (Mac)1 check
The machine is not selected from the DEVICES area (USB model).
Check your Brother machine is selected.
Vertical lines are seen in the scanned image.1 check
Paper dust has accumulated on the surface of the glass strips.
Clean the glass strips inside the machine.
White vertical lines or white strips appear on the scanned image.1 check
The scanner is near a light source or in direct sunlight.
Check the scanner is located away from any direct light sources.
My scanned images have black lines running through them, blank spaces, or are of overall poor quality.1 check
This problem occurs if the scanner is not calibrated correctly or if a foreign object, such as a paper clip or ripped paper, is stuck in the scanner.
  1. 1.
  2. Check that the Feeder Slot is clear.
  3. If foreign objects are found, remove them from your scanner.
  4. 2.
  5. Calibrate your scanner.
  6. If scan quality is not improved after you calibrate your scanner: 1.
  7. Clean the scanner.
  8. 2.
  9. Calibrate your scanner again.
The scanned image is missing.3 checks
The Document Guide is not adjusted to fit the width of the document.
Carefully adjust the Document Guide to fit the width of your document.
The settings are not appropriate for your document. For example, a Letter/A4- sized document was fed when Executive/A5 Letter was selected as the document size.
Check the document size settings are appropriate for your document. Configure the margin settings and adjust the scanning position.
No separate cause is listed.
Configure the margin settings and adjust the scanning position.
The scanned image is missing or has blank spaces when Auto is selected as the document size.2 checks
Paper dust has accumulated on the surface of the glass strips inside the machine.
Clean the glass strips inside the machine.
Calibration needs to be performed.
Calibrate following the reviewed calibration instructions.
The scanned image is skewed.6 checks
The Document Guide is not adjusted to fit the width of the document.
Carefully adjust the Document Guide to fit the width of your document.
The Long Paper setting is selected.
Select a setting other than Long Paper.
The document was curled.
Straighten the curled document and scan again.
The embossed card was inserted with the embossed side down.
Remove the embossed card and then reinsert it, embossed side up, into the Feeder Slot.
The document is not inserted straight.
Insert the document straight.
The plastic card is scanned with the short edge first.
Scan the plastic card with the long edge first.
Scanning is too slow.2 checks
The resolution is not appropriate for your document.
Decrease the scanner resolution.
If a cable other than a USB 3.0 (Micro) cable is used, the scanning speed may become slow.
Use USB 3.0 (Micro) cable.
The document was not fed.3 checks
Your media is too thin or too thick.
Check your media is acceptable for the machine.
Remote Setup is in progress.
Cancel Remote Setup.
The document was curled.
Straighten the curled document and scan again.
The document is jammed.2 checks
Your document is not acceptable for the machine.
Check your document is acceptable for the machine.
The document was curled.
Straighten the curled document and scan again.
The scan quality is poor.3 checks
Paper dust has accumulated on the surface of the glass strips inside the machine.
Clean the glass strips inside the machine.
Calibration needs to be performed.
Calibrate following the reviewed calibration instructions.
The scanner resolution is too low.
Increase the scanner resolution.
Bleedthrough is seen in the scanned data.1 check
The settings are not appropriate for the type of document being scanned.
Select the Remove Bleed-through / Pattern / Remove Background Color check box.
Colors in the scanned data are dark.2 checks
The settings are not appropriate for the type of document being scanned.
Do one of the following: • Select the Remove Bleed-through / Pattern / Remove Background Color check box, and then scan from your computer. • Increase the Brightness, and then scan from your computer. • Increase the Contrast, and then scan from your computer. • Change the Scan Type to Gray or Color, and then scan from your computer.
Calibration needs to be performed.
Calibrate following the reviewed calibration instructions.
A page that is not a blank page is skipped.1 check
The document is too faint. Skip Blank Page is set to On.
Set Skip Blank Page to Off. Alternatively, reduce the Skip Blank Page sensitivity.
Cannot scan a long document.1 check
Long Paper is not selected for the document size.
Select Long Paper for the document size.
Cannot scan to a computer from the machine.2 checks

For DS-635 use the scanning application. The Scan to PC configuration in Remote Setup is explicitly limited to wireless DS-940DW operation.

Scanning application (for example, Brother iPrint&Scan) is not installed on the computer.
Install a scanning application (for example, Brother iPrint&Scan).
The settings are not configured within the scanning application (for example, Brother iPrint&Scan).
Configure the settings using a scanning application (for example, Brother iPrint&Scan).
The plastic card is jammed.3 checks
The machine was turned on with the plastic card inserted.
Remove the plastic card. To prevent the card from getting jammed again, do not leave the card inserted in the machine.
The embossed card was inserted with the embossed side down.
Remove the embossed card and then reinsert it, embossed side up, into the Feeder Slot.
The plastic card is not inserted straight.
Insert the plastic card straight.
The plastic card was not fed.1 check
The embossed card was inserted with the embossed side down.
Remove the embossed card and then reinsert it, embossed side up, into the Feeder Slot.
Cannot save the settings in Remote Setup1 check

DS-635 uses Remote Setup; Web Based Management is restricted to DS-940DW.

The machine is processing the settings.
Wait until the machine finishes processing, and then try again.
Cannot start Remote Setup.3 checks
The machine is not connected to your computer.
Connect the machine to your computer, and then try again.
An error is occurring.
Clear all errors, check the status is Ready on Remote Setup and then try again.
The machine is scanning.
Wait until scanning has finished and try again.
I want to use a USB hub.1 check
A USB hub may not be able to supply enough power to the scanner.
Use your scanner without connecting it to a USB hub.
The machine is not turned on.1 check
The USB cable is not connected correctly.
Check the USB cable is securely connected to your scanner and computer.
Your computer cannot find the machine via USB interface.2 checks
The scanner driver is not installed.
Install the scanner driver.
The USB cable is not connected correctly.
Check the USB cable is securely connected to your scanner and computer. Disconnect the USB cable and then reconnect it to your scanner and computer.
My scanner gets warm.1 check
It is normal for your scanner to became warm after prolonged use.
If there is an odor coming from the scanner or the scanner feels a little bit hot to the touch, immediately disconnect the USB cable from your scanner and computer.
Vertical line appears.3 checks
The environmental temperature has changed during calibration.
Check the temperature is the same during scanner use and recalibration.
The scanner may have vibrated during calibration.
Place the scanner on a flat, stable surface and recalibrate.
Dust on the paper path. Dust on the calibration sheet.
• Clean the paper path and try to scan again. • Clean the paper path or calibration sheet. And then Recalibrate the scanner.
Vertical band appears.1 check
Dust or fingerprint on the paper path. Dust, fingerprint, or scratch on the calibration sheet.
• Clean the paper path and try to scan again. • Clean the paper path or use a new calibration sheet. And then recalibrate the scanner.
Color is different from normal.1 check
An incorrect calibration sheet is used. The temperature is too high or too low. There is a problem with the computer's USB port.
• Recalibrate the scanner using the correct calibration sheet. • Recalibrate the scanner. • Change to other USB port, and then recalibrate the scanner.
The calibration sheet is too short.1 check
The calibration sheet has been cut or inserted incorrectly.
Recalibrate the scanner using the correct calibration sheet.

Guides

Acceptable documents

Instructions from the manual
Acceptable Documents5 steps
  1. Use one sheet at a time.
  2. For DS-635, standard documents range from 86.4 × 50.8 mm to 1828.8 × 215.9 mm, weigh 35–270 g/m² and are 0.04–0.28 mm thick.
  3. Use a Carrier Sheet for thinner paper.
  4. Plastic cards are ISO ID-1, 85.6 × 53.98 mm, with PET construction; maximum thickness is 1.24 mm embossed or 1 mm non-embossed.
  5. Some embossed cards may not scan correctly.

Unacceptable documents

Instructions from the manual
Unacceptable Documents2 steps
  1. Do not scan documents with staples or paper clips, wet ink, fabrics or metal sheets, overhead-projector sheets, glossy or mirrored media, or media outside the thickness limits.
  2. Damage caused by unacceptable documents may not be covered by warranty.

Carrier sheet recommendations

Instructions from the manual
Carrier Sheet Recommendations4 steps
  1. Use the Carrier Sheet (not included) for carbon-backed or pencil-written documents; documents narrower than 50.8 mm, shorter than 86.4 mm or thinner than 0.04 mm; uneven thickness such as envelopes; large wrinkles, curls, bent or damaged media; tracing or coated paper; photographs; perforated or irregularly shaped paper; documents with photos, notes or stickers attached; carbonless or loose-leaf paper or paper with holes.
  2. Do not slide or scrape your hands or fingers along the sheet edge: it may cut you.
  3. Keep it away from direct sunlight, high temperature and humidity.
  4. Do not bend, pull or use a damaged Carrier Sheet, which may produce incorrect scans.

Load documents

Instructions from the manual
Load Documents6 steps
  1. Load one document only, after the preceding sheet has finished scanning.
  2. Let ink and correction fluid dry first.
  3. Do not pull a document while feeding.
  4. Avoid curled, wrinkled, folded, torn, stapled, clipped, pasted or taped documents, cardboard and fabric.
  5. Leave sufficient space behind the scanner for the document to emerge.
  6. DS-635 has no Output Guide to open.

Load standard size document

Instructions from the manual
Load Standard Size Document3 steps
  1. Align the document’s left edge with the feeder’s left edge, face up.
  2. Move the Document Guide against the right side.
  3. Insert gently until the leading edge touches the inside of the scanner.
Move the Document Guide against the right side of the face-up document. General feeder drawing uses DS-940DW; the single-sided instructions apply to DS-635.
Move the Document Guide against the right side of the face-up document. General feeder drawing uses DS-940DW; the single-sided instructions apply to DS-635.

Diagram key

  • A: Face-up document, with its left edge aligned to the feeder’s left edge

Load a plastic card

Instructions from the manual
Load a Plastic Card6 steps
  1. Wipe away dirt and grease before loading.
  2. Insert only one card, long edge first and embossed side up, aligned with the left edge of the Feeder Slot.
  3. Avoid leaving a card in the machine before power-on.
  4. Cards may be scratched; a Carrier Sheet is recommended.
  5. Adjust the guide to the right side and insert gently until the leading edge reaches inside.
  6. Some embossed cards may not scan properly.
Load one plastic card long edge first and embossed side up. General feeder drawings use DS-940DW unless otherwise stated; these loading instructions apply to DS-635.
Load one plastic card long edge first and embossed side up. General feeder drawings use DS-940DW unless otherwise stated; these loading instructions apply to DS-635.

Load non-standard size document

Instructions from the manual
Load Non-standard Size Document6 steps
  1. Allow ink and correction fluid to dry completely before loading receipts, newspaper clippings or photos.
  2. Place the document face up in the left corner of the Carrier Sheet, aligning its top with the sheet’s top-left corner; keep the Carrier Sheet header face up.
  3. Insert the Carrier Sheet face up and header first, aligning its left edge with the feeder’s left edge.
  4. For a receipt longer than the sheet, fold it in two places so it overlaps inside.
  5. Slide the Document Guide against the sheet’s right side.
  6. Insert gently until the top edge touches the inside of the scanner.

Before scanning

Instructions from the manual
Before ScanningView
Install the Brother software and drivers. Check that the USB cable is connected correctly; DS-635 uses USB and does not have a wireless mode switch.

Save scanned documents on your computer

Instructions from the manual
Save Scanned Documents on Your Computer2 steps
  1. Download and configure Brother iPrint&Scan from the model’s official Downloads page to change scan settings such as resolution, size and scan type.
  2. Load a document and press START/STOP; scanning begins automatically.

Scan using nuance™ paperport™ 14se or other windows applications

Instructions from the manual
Scan Using Nuance™ PaperPort™ 14SE or Other Windows Applications9 steps
  1. The manual describes PaperPort 14SE, included in the scanner driver, with the recommended TWAIN driver; other Windows scanning applications have similar steps.
  2. For detailed application help use Help > Getting Started Guide.
  3. Load the document.
  4. Start PaperPort: Windows 10 uses Start > Nuance PaperPort 14 > PaperPort; Windows 8.1 uses the PaperPort icon; Windows 7 uses Start > All Programs > Nuance PaperPort 14 > PaperPort.
  5. Choose Desktop > Scan Settings, then Select.
  6. Select TWAIN: TW-Brother followed by your model name; for WIA use the Brother driver with the WIA prefix.
  7. Select Display scanner dialog box and click Scan.
  8. Adjust Scanner Setup settings as needed.
  9. Select Document Size, use PreScan to preview and crop unwanted areas, and click Start.

Twain driver settings (windows)

Instructions from the manual
TWAIN Driver Settings (Windows)22 steps
  1. Choose Photo, Web or Text profiles; their initial settings are respectively 300 dpi/24-bit color, 100 dpi/24-bit color and 200 dpi/black-and-white.
  2. Higher resolution increases memory and transfer time.
  3. Scan Type offers automatic color detection, black-and-white, error-diffusion gray, true gray and 24-bit color.
  4. Set Document Size or a custom size and Long Paper where needed.
  5. DS-635 does not support duplex scanning; Auto Size and Auto Deskew are unavailable above 400 × 400 dpi for DS-635.
  6. Enable automatic deskew, document-end detection, crop and margins as applicable: positive margins reduce the output image and negative margins enlarge it.
  7. Options include rotation and auto orientation, edge filling, color-detection sensitivity, blank-page sensitivity, brightness and contrast.
  8. Increasing brightness lightens; increasing contrast emphasizes dark/light differences.
  9. Remove bleed-through, patterns or background color, drop a chosen color, emphasize edges, or adjust black/white threshold.
  10. Increasing the black/white threshold increases black areas; character correction is black-and-white only.
  11. Invert black/white when required.
  12. Use Carrier Sheet Mode for important, thin or irregular documents, and Continuous Scan for additional documents after the first scan.
  13. Barcode scanning requires third-party software and cannot convert barcode data with TWAIN alone; JPEG compression requires third-party software using disk file mode.
  14. Item names and available values vary by model.
  15. True Gray uses up to 256 shades; 24-bit Color uses up to 16.8 million colors.
  16. Auto Deskew turns on automatically when Document Size is Auto.
  17. Margin Settings are available only with Document Size set to Auto.
  18. Auto Color Detect Adjust is available with Scan Type Auto; higher values make color detection more likely.
  19. Diffusion Adjustment -Gray is available only with Gray (Error Diffusion).
  20. Color Tone Adjustment controls brightness, contrast and gamma in True Gray and color scans; Color Tone Adjustment and Edge Emphasis require gray or color scanning.
  21. Layout can combine a two-page document into one page or divide a one-page document into two pages.
  22. Barcode Detection is available only with Layout Off; specify barcode type and detection area.

Wia driver settings (windows)

Instructions from the manual
WIA Driver Settings (Windows)5 steps
  1. Paper Source is Document Feeder.
  2. Choose Color, Grayscale, Black and white, or a custom image type.
  3. Advanced settings control brightness, contrast, resolution and picture type.
  4. Raise brightness for a lighter scan or lower it for a darker scan.
  5. Higher contrast emphasizes dark/light areas; lower contrast shows more gray detail.

Scan using kofax power pdf standard v3

Instructions from the manual
Scan Using Kofax Power PDF Standard v33 steps
  1. Use Kofax Power PDF to scan and convert scanned PDF data into formats including Microsoft Word, Excel, PowerPoint and images.
  2. If installation asks for a serial number, use the label attached to the scanner.
  3. Consult the application Help menu for detailed instructions.

Scan using brother iprint&scan (windows)

Instructions from the manual
Scan Using Brother iPrint&Scan (Windows)3 steps
  1. Launch Brother iPrint&Scan from the desktop or the manual’s Windows Start/Programs menu.
  2. If the machine is not selected, choose Select your Machine and select it.
  3. Choose Scan and follow the on-screen prompts.

Scan using brother iprint&scan (mac)

Instructions from the manual
Scan Using Brother iPrint&Scan (Mac)3 steps
  1. Install Brother iPrint&Scan from the App Store.
  2. In Finder, open Go > Applications and double-click Brother iPrint&Scan.
  3. Select the machine if needed, choose Scan and follow the prompts.

Scan using apple image capture

Instructions from the manual
Scan Using Apple Image Capture5 steps
  1. Download and install the ICA driver from Brother support.
  2. Start Apple Image Capture and select the Brother scanner in DEVICES for the USB connection.
  3. Load the document.
  4. Select Document Size and the destination folder or application in Scan To.
  5. Click Scan.

Ica driver settings

Instructions from the manual
ICA Driver Settings4 steps
  1. Use Show Details to choose scan mode, color/black-and-white/text, resolution, size, orientation, destination, filename, output format and image correction.
  2. DS-635 has no duplex setting.
  3. With PDF or TIFF, select Combine into single document to combine pages into one file.
  4. Color correction offers brightness, tint, temperature and saturation for Color; brightness and contrast for Black & White; and threshold for Text.

Scan using kofax power pdf standard for mac v3

Instructions from the manual
Scan Using Kofax Power PDF Standard for Mac v32 steps
  1. The optional country-dependent application converts scans into PDF, Word, Excel, PowerPoint and image files.
  2. Use the scanner serial-number label for activation where needed and consult its Help for full application instructions.

Scan using presto! bizcard

Instructions from the manual
Scan Using Presto! BizCard3 steps
  1. Presto!
  2. BizCard organizes scanned business-card names, companies, addresses, phone/fax numbers and email addresses into contact records.
  3. Follow the application’s business-card scanning and import instructions; USB scanner operation remains as described in the main guide.

Brother iprint&scan overview

Instructions from the manual
Brother iPrint&Scan Overview3 steps
  1. Use Brother iPrint&Scan on Windows or Mac to scan and check machine status.
  2. Obtain the Windows application from the model’s official Downloads page and the Mac application from the App Store.
  3. Screens vary with software version.

Document jam

Instructions from the manual
Document Jam5 steps
  1. Open the Top Cover before pulling out a jammed document to avoid damage.
  2. Pull the jammed document gently out of the machine; check for torn pieces and remove all remaining scraps.
  3. Close the Top Cover gently, pushing its center.
  4. DS-635 has no Output Guide.
  5. To prevent jams, close the cover properly, configure the correct settings, load correctly and choose Long Paper for long documents.

Check the serial number

Instructions from the manual
Check the Serial Number4 steps
  1. On Windows, open Brother Utilities, select the model, then Tools > Remote Setup.
  2. On Mac, open Finder > Go > Applications > Brother, select the model and double-click Remote Setup.
  3. Choose Machine Info to view the serial number.
  4. The wireless password and mode-switch steps apply only to DS-940DW.

Reset your brother machine

Instructions from the manual
Reset Your Brother Machine5 steps
  1. To reset DS-635 machine settings, open Remote Setup: Windows uses Brother Utilities > select model > Tools; Mac uses Finder > Go > Applications > Brother > model > Remote Setup.
  2. Select Machine Info, click Reset under Machine Reset and confirm OK.
  3. Factory settings are restored.
  4. Choose OK to close Remote Setup.
  5. The manual’s physical-button network reset is DS-940DW-only and is excluded.

Clean the outside of the machine

Instructions from the manual
Clean the Outside of the Machine5 steps
  1. Disconnect the USB cable from both scanner and computer.
  2. Wipe the exterior with a dry, soft, lint-free cloth.
  3. If necessary, first use a cloth lightly dampened with water or diluted detergent, followed by a dry cloth.
  4. Reconnect USB afterward.
  5. The safety guide prohibits alcohol- or ammonia-containing organic liquid and flammable sprays; do not use these products.

Clean the scanner and rollers

Instructions from the manual
Clean the Scanner and Rollers5 steps
  1. If vertical lines or missing scan areas appear, disconnect USB from scanner and computer.
  2. Open the Top Cover.
  3. Wipe glass strips and rollers gently with a dry, soft, lint-free cloth.
  4. Close the Top Cover and reconnect USB.
  5. DS-635 has no Output Guide; those conditional steps apply to DS-740D/DS-940DW.

Calibrate your brother machine

Instructions from the manual
Calibrate Your Brother Machine6 steps
  1. Calibrate only for fuzzy images, abnormally dark colors or after extended storage without use.
  2. Open Remote Setup through Windows Brother Utilities > model > Tools, or Mac Finder > Go > Applications > Brother > model.
  3. Choose Machine Info, Start under Calibration, then OK.
  4. Hold only the edges of the supplied calibration sheet and insert it as shown, without touching the white or black areas; marks or fingerprints can cause calibration errors.
  5. Choose OK in Remote Setup to feed the sheet and display the result, then OK at the confirmation.
  6. For unsuccessful results, use the complete reviewed calibration-difficulty checks.

Supplies

Instructions from the manual
Supplies3 steps
  1. The listed Carrier Sheet is CS-A3401, with a standard replacement cycle of 500 uses.
  2. Actual cycle varies with environment, documents and scanning frequency.
  3. Obtain replacement supplies through Brother retailers or official Brother supply channels.

Pack and ship your brother machine

Instructions from the manual
Pack and Ship Your Brother Machine5 steps
  1. Use the original packaging and insure the shipment adequately; damage from incorrect packing may not be covered by warranty.
  2. Wrap the machine in its original bag, then pack the scanner and printed materials in the original carton and inserts.
  3. For Brother Exchange Service, pack only the machine and retain separate parts and printed materials.
  4. Close and tape the carton.
  5. Output Guide closure does not apply to DS-635.

Set up the brother machine using remote setup (windows)

Instructions from the manual
Set Up the Brother Machine Using Remote Setup (Windows)8 steps
  1. Open Brother Utilities, select the model, then Tools > Remote Setup.
  2. Configure the settings.
  3. Export saves a configuration file; Import loads one.
  4. OK uploads settings and exits, Cancel exits without uploading, and Apply uploads without exiting.
  5. If an error appears, check the data and choose OK again.
  6. Complete with OK.
  7. A firewall may need to permit ports 52515–52614; Windows Firewall settings are configured by scanner-driver installation.
  8. Wireless passwords and Scan to PC wireless setup in this section are DS-940DW-only.

Set up the brother machine using remote setup (mac)

Instructions from the manual
Set Up the Brother Machine Using Remote Setup (Mac)7 steps
  1. In Finder choose Go > Applications > Brother, select the model and double-click Remote Setup.
  2. If Discover Devices appears, select the model and Connect.
  3. Configure the settings.
  4. Export saves current settings, Import reads a saved file, OK uploads and exits, Cancel exits without uploading and Apply uploads without exiting.
  5. For an error, check the data and retry OK.
  6. Finish with OK.
  7. DS-940DW wireless-password and wireless Scan to PC notes are excluded.

Change the general settings using remote setup

Instructions from the manual
Change the General Settings Using Remote Setup3 steps
  1. Set General Setup > Auto Power Off and Auto Power Off Time to control automatic shutdown after inactivity and save power.
  2. After auto shutdown on DS-635, press START/STOP to turn it on.
  3. The date/time and battery-charge behavior are DS-940DW-only.

Notes for using carrier sheets

Instructions from the manual
Notes for Using Carrier Sheets6 steps
  1. To avoid jams, do not insert the Carrier Sheet upside down; follow its printed insertion instructions.
  2. Insert only one document at a time, never several small documents together.
  3. Do not write on the sheet, since writing may appear in scans.
  4. Wipe a dirty sheet with a dry cloth.
  5. Do not leave documents inside for extended periods because printing may bleed onto the sheet.
  6. Damage from unacceptable documents may not be covered by warranty.

Control panel overview

Instructions from the manual
Control Panel Overview4 steps
  1. The Power/Scan LED indicates status.
  2. Steady green means Ready Mode; blinking green means scanning, Remote Setup or startup; blinking orange means an error.
  3. Press START/STOP to start or stop scanning.
  4. Consult Error and Maintenance Indications and Service Call Indications to distinguish fault states.

Important note

Instructions from the manual
Important Note6 steps
  1. Use Brother support for the latest manuals, drivers, software and firmware.
  2. Some functions may be unavailable without current firmware.
  3. Do not use the product outside the country of purchase because it may violate power or wireless regulations.
  4. Not all models are available in all countries.
  5. The guide generally illustrates DS-940DW unless otherwise specified; screens are examples and may differ, normally based on Windows 10 and macOS v10.12.x.
  6. Contents and specifications may change without notice.

Brother help and customer support

Instructions from the manual
Brother Help and Customer Support4 steps
  1. Seek technical help in the country where you bought the machine, calling from within that country.
  2. Use the model’s official FAQs & Troubleshooting or Downloads page for help, drivers and software.
  3. In the USA use Brother support or call 1-877-BROTHER (1-877-276-8437); in Canada use Brother Canada support.
  4. Obtain authorized service locations through those channels.

Unpack the machine and check the components

Instructions from the manual
Unpack the machine and check the components5 steps
  1. Read the included Product Safety Guide before setup.
  2. Remove protective tape and film.
  3. Check the supplied USB 3.0 Micro cable, calibration sheet, setup/safety guide and warranty card; contents vary by country.
  4. Retain the original packaging for shipment.
  5. Keep packaging bags away from children, cribs, beds, carriages and play pens because of suffocation risk.

Connect your machine to the computer using a usb cable

Instructions from the manual
Connect your machine to the computer using a USB cable3 steps
  1. Connect DS-635 to the computer with the included USB 3.0 Micro cable.
  2. The scanner powers on when connected.
  3. Memory cards, battery charging and the power button in the shared sheet are DS-940DW-only.
Connect DS-635 to the computer with the included USB 3.0 (Micro) cable. The scanner powers on when connected. Shared setup figure explicitly names DS-635/DS-640.
Connect DS-635 to the computer with the included USB 3.0 (Micro) cable. The scanner powers on when connected. Shared setup figure explicitly names DS-635/DS-640.

Install software

Instructions from the manual
Install software6 steps
  1. Use a powered-on computer and log in with Administrator rights.
  2. Download the full driver/software package from Brother’s Windows or Mac support download page.
  3. Follow the installation prompts and restart afterward.
  4. In the USA an Internet connection is required; if necessary request an installation disc from Brother Customer Support at 1-877-BROTHER (877-276-8437).
  5. Consult the full operation guide for scanning.
  6. Mobile Wi-Fi scanning is DS-940DW-only.

Choosing a location

Instructions from the manual
Choosing a location5 steps
  1. Choose a stable, level, vibration-free surface in an operating environment of 5–35 °C and 20–80% humidity without condensation.
  2. Keep the scanner away from direct sunlight, excess heat, open flames, corrosive gases, moisture, dust, carpets, chemicals, water, magnetic sources, heaters and air conditioners.
  3. Do not use corrosive environments.
  4. Secure cables against tripping, keep the scanner fully supported and avoid high-traffic or unstable locations and heavy objects on it.
  5. Dry naturally before use if temperature changes have caused condensation.

Product safety guide

Instructions from the manual
Product Safety Guide9 steps
  1. For unusual heat, smoke, strong smells or a liquid spill, unplug immediately and contact the Brother dealer or Customer Service.
  2. Do not disassemble or modify the scanner.
  3. If foreign material enters or the scanner is damaged, stop using it, disconnect USB and contact the store or Brother service.
  4. Do not clean inside or outside with flammable substances, sprays, or alcohol- or ammonia-containing organic solvents/liquids.
  5. Keep USB cables bundled away from children; take care with sharp paper edges.
  6. Adjust only controls covered by the operation instructions; other adjustments may require qualified service.
  7. Do not attempt to service the scanner yourself; disassembly exposes electrical and other risks and may void the warranty.
  8. Refer servicing to an authorized Brother Service Center.
  9. In the USA call 1-877-BROTHER (1-877-276-8437), or use Brother Canada support in Canada.

For use in the usa or canada only

Instructions from the manual
For use in the USA or Canada only2 steps
  1. This USA/Canada guide says the machines are intended for those countries only.
  2. Brother does not recommend overseas use because power requirements may differ; overseas use is at your own risk and may void the warranty.

Controls and parts

See the manual diagrams 1 diagram
DS-635 front and rear parts, explicitly identified with DS-640 in the shared USA/CAN manual.
DS-635 front and rear parts, explicitly identified with DS-640 in the shared USA/CAN manual.

Diagram key

  • 1: Top Cover
  • 2: Control Panel
  • 3: USB 3.0 (Micro) Port for connecting to a computer
  • 4: Document Guide
  • 5: Feeder Slot
  • 6: Left Edge of the Feeder Slot
  • 7: Paper Output Slot

Model details

Model and compatibility

Power source
USB bus-powered. [1]
Optical resolution
Up to 600 × 600 dpi. [1]

Manuals and sources

  1. Brother operation manual
  2. Brother model support and details
  3. Brother manual download listing
  4. Brother operation manual
  5. Brother open source licensing remarks
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