Brother MFC-9840CDW Service Manual

Confidential
1-25
Error code 8A (T1)
Jam Tray 1
Remove the jammed paper from Tray 1.
Error code 8B (LT)
Jam Tray 2
Remove the jammed paper from Tray 2.
Error code 8C (MP)
Jam MP Tray
Remove the jammed paper from Multi Purpose Tray and press start.
Paper jam in the appropriate tray
User Check
- Check if the paper is jammed in the appropriate tray. If jammed, remove it.
- Adjust the paper guide corresponding to the paper size.
- Check if too much paper is loaded in the tray.
Step Cause
Remedy
1 Harness connection failure of
registration front sensor PCB
ASSY
Check the harness connection of the registration
front sensor PCB ASSY in the appropriate tray,
and reconnect it.
2 Paper feeding kit worn out
(MP/ T1/ LT)
Replace the paper feeding kit of the appropriate
tray.
(MP/ T1) Check the sensor performance following
the procedure described in “Maintenance mode
32”. If any problem occurs, replace the front door
unit ASSY.
3 Registration front sensor PCB
failure (MP/ T1/ LT)
(LT) Check the sensor performance following the
procedure described in “Maintenance mode 32”. If
any problem occurs, replace the LT paper feed
frame unit.
4 Engine PCB failure Replace the engine PCB ASSY.

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