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Brother MFC-9840CDW Service Manual

Brother MFC-9840CDW
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Confidential
1-27
Error code A1
Cover is Open
Close the Front Cover.
Front cover opened
Step Cause
Remedy
1 Front cover interlock switch
failure
Check the sensor performance following the
procedure described in “Maintenance mode 32”. If
any problem occurs, replace the front cover
interlock switch ASSY.
2 Harness connection failure of
front cover interlock switch
ASSY
Check the harness connection of the front cover
interlock switch ASSY and reconnect it.
3 Part pressing the front cover
interlock switch is broken,
which is provided at the left
side of the front cover inside.
Replace the front door main or front door unit
ASSY.
4 Engine PCB failure Replace the engine PCB ASSY.
Error code A2
Document Jam.
Clear the scanner jam, then press the Stop Key.
The document is too long. (During scanning, 90 cm or longer of a document is detected.)
User Check
- Check if the document is jammed in the ADF. If jammed, remove it.
Step Cause
Remedy
1 Document rear actuator not
operating smoothly or
catching in some position.
Correct smooth operation and that there is no
catching of document rear actuator.
Error code A3
Document Jam.
Clear the scanner jam, then press the Stop Key.
Document rear sensor is not turned on when feeding the document.
User Check
- Check if the document is jammed in the ADF. If jammed, remove it.
Step Cause
Remedy
1 Document rear actuator not
operating smoothly or
catching in some position.
Correct smooth operation and that there is no
catching of document rear actuator.
2 Document rear sensor failure. Replace the document rear sensor.

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Brother MFC-9840CDW Specifications

General IconGeneral
Print technologyLaser
Maximum resolution600 x 2400 DPI
Economical printingYes
Time to first page (black, normal)16 s
Time to first page (color, normal)17 s
Print speed (black, normal quality, A4/US Letter)20 ppm
Scan toE-mail, FTP, OCR, USB
Scanner typeFlatbed scanner
Grayscale levels256
Input color depth48 bit
Maximum scan resolution19200 x 19200 DPI
Optical scanning resolution1200 x 2400 DPI
Copier resize25 - 400 %
Maximum copy resolution1200 x 600 DPI
N-in-1 copy function (N=)4, 9, 16, 25
Copy speed (black, normal quality, A4)16 cpm
FaxingMono faxing
Fax memory400 pages
Modem speed33.6 Kbit/s
Fax speed dialing (max numbers)300
Total input capacity250 sheets
Total output capacity150 sheets
Multi-Purpose tray input capacity50 sheets
Auto document feeder (ADF) input capacity35 sheets
Internal memory128 MB
Sound power level (standby)30 dB
Sound pressure level (printing)54.5 dB
Custom media sizes(69.9 - 216mm) - (116 - 406.4mm)
Dimensions (WxDxH)530 x 539 x 520 mm
Networking features10/100Base-TX
Wireless technologyIEEE 802.11b/g
All-in-one functionsCopy, Fax, Scan
Maximum internal memory0.640 GB
Color all-in-one functionscopy, print, scan
Media weight (tray 1)60 - 105g/m2
Paper tray media typesBond paper, Envelopes, Labels, Plain paper, Recycled paper
Non-ISO print media sizesExecutive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size)
ISO A-series sizes (A0...A9)A4, A5, A6
ISO B-series sizes (B0...B9)B5, B6
JIS B-series sizes (B0...B9)B5
Maximum ISO A-series paper sizeA4
Multi-Purpose Tray media weight60 - 163 g/m²
Security algorithmsLEAP
Supported network protocols (IPv4)TCP/IP (IPv4 & IPv6)
Standard interfacesUSB 2.0
USB 2.0 ports quantity1
Bundled softwareScanSoft PaperPort (Win) NewSoft Presto! PageManager (Mac)
Power consumption (PowerSave)36 W
Power consumption (average operating)515, 100 W
Package weight45800 g
Digital senderNo
Maximum duty cycle3000 pages per month
Market positioningBusiness

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