Brother MFC-9840CDW Service Manual

Confidential
1-40
Error code ED
Print Unable ED
Turn the power off and then back on again.
Failure of wireless LAN connection (Connection to the wireless LAN module is failed when the
machine is turned ON.)
Error code EE
Print Unable EE
Turn the power off and then back on again.
Wireless LAN is unable to communicate. (Any problem that the wireless LAN cannot be
connected is occurred after wireless LAN connection is succeeded.)
User Check
- Turn the power off. Turn it on again after a while.
Step Cause
Remedy
1 Harness connection failure of
wireless LAN PCB ASSY
Check the harness connection of the wireless LAN
PCB ASSY and reconnect it.
2 Wireless LAN PCB failure Replace the wireless LAN PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Error code EF
Print Unable EF
Turn the power off and then back on again.
Incorrect print coverage value
User Check
- Turn the power off. Turn it on again after a while.
Step Cause
Remedy
1 Main PCB failure Replace the main PCB ASSY.
Error code F8
Machine Error F8
Battery connection failure
Step Cause
Remedy
1 Battery harness connection
failure
Reconnect the battery harness.
2 Main PCB failure Replace the main 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