Brother MFC-8880DN Service Manual

3-77
Confidential
11. DOCUMENT FEEDING PROBLEMS
Problems related to document feeding are end user recoverable if following the User Check
items. If the same problem occurs again, follow each procedure in the order of the number
described in the Step column in the tables below.
11.1 No Feeding
<User Check>
- Check if the document is inserted correctly to the depths.
- Check whether the document is 50 or less sheets. (CCD model)
Check whether the document is 20 or less sheets. (CIS model)
- Check if the ADF cover is closed.
Step Cause Check
Result Remedy
1
Document front
actuator 1
catching on some
position
Does the document front
actuator 1 move
smoothly?
No
Re-assembly the
document front actuator
1.
2
Document front
sensor 1 harness
connection failure
Is the harness of the
document front sensor 1
connected securely?
No
Reconnected the harness
of the document front
sensor 1.
3
ADF motor
harness
connection failure
Is the harness of the ADF
motor connected
securely?
No
Reconnected the harness
of the ADF motor.
4
Document front
sensor 1
malfunction
Does the document front
sensor 1 move smoothly?
(Check it following the
procedure described in
“Maintenance mode 32”)
No
Replace the document
front sensor 1.
5
Feed roller holder
ASSY failure
Though the ADF motor
rotates, does the supply
roller rotate?
Yes
Replace the feed roller
holder ASSY.
6
ADF relay PCB
failure
Is the problem solved
after replacing the ADF
relay PCB?
Yes
Replace the ADF relay
PCB.
7
Driver PCB failure Is the problem solved
after replacing the driver
PCB?
Yes
Replace the driver PCB.
8
ADF motor failure Is the problem solved
after replacing the ADF
motor?
Yes
Replace the ADF motor.
9
Main PCB failure Is the problem solved
after replacing the main
PCB?
Yes
Replace the main PCB.

Brother MFC-8880DN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Economical printing	Yes
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	30 ppm
Scan to	E-mail, E-mail Server, File, FTP, Image, OCR, USB
Scanner type	Flatbed & ADF scanner
Grayscale levels	256
Input color depth	24 bit
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
N-in-1 copy function (N=)	2, 4, 9, 16
Time to first copy (black, normal)	10.5 s
Copy speed (black, normal quality, A4)	30 cpm
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	300
Total input capacity	250 sheets
Total output capacity	150 sheets
Auto document feeder (ADF) input capacity	50 sheets
Internal memory	64 MB
Card reader integrated	No
Sound power level (standby)	30 dB
Sound pressure level (printing)	56 dB
Display	LCD
Market positioning	Business
Dimensions (WxDxH)	531 x 451 x 475 mm
All-in-one functions	Copy, Fax, Print, Scan
Maximum internal memory	0.576 GB
Color all-in-one functions	Scan
Maximum print size	216 x 356 mm
Paper tray media types	Plain paper, Recycled paper
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Standard interfaces	Ethernet
USB 2.0 ports quantity	1
AC input frequency	50 - 60 Hz
Power consumption (standby)	85 W
Power consumption (PowerSave)	18 W
Power consumption (average operating)	680 W
Maximum duty cycle	- pages per month
Package weight	22100 g
Mac operating systems supported	Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion
Server operating systems supported	Windows 2000 Advanced Server, Windows 2000 Server, Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64
Windows operating systems supported	Windows 2000, Windows 2000 Professional, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Ultimate, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64