Brother MFC-9840CDW Service Manual

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.

Brother MFC-9840CDW Specifications

General

Print technology	Laser
Maximum resolution	600 x 2400 DPI
Economical printing	Yes
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 to	E-mail, FTP, OCR, USB
Scanner type	Flatbed scanner
Grayscale levels	256
Input color depth	48 bit
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	1200 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
N-in-1 copy function (N=)	4, 9, 16, 25
Copy speed (black, normal quality, A4)	16 cpm
Faxing	Mono faxing
Fax memory	400 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	300
Total input capacity	250 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	35 sheets
Internal memory	128 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 features	10/100Base-TX
Wireless technology	IEEE 802.11b/g
All-in-one functions	Copy, Fax, Scan
Maximum internal memory	0.640 GB
Color all-in-one functions	copy, print, scan
Media weight (tray 1)	60 - 105g/m2
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper
Non-ISO print media sizes	Executive (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 size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Security algorithms	LEAP
Supported network protocols (IPv4)	TCP/IP (IPv4 & IPv6)
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Bundled software	ScanSoft PaperPort (Win) NewSoft Presto! PageManager (Mac)
Power consumption (PowerSave)	36 W
Power consumption (average operating)	515, 100 W
Package weight	45800 g
Digital sender	No
Maximum duty cycle	3000 pages per month
Market positioning	Business