Brother MFC-8860DN Servise Manual

Confidential
9-5
Error Code
(Hex)
Symptom Probable Cause Solution
Halogen lamp defective Replace the halogen lamp. 6E Heater temperature does not
go up enough.
Power supply PCB
defective
Replace the power supply
PCB.
Thermistor defective Replace the thermistor. 6F Heater hard limiter operates.
Power supply PCB
defective
Replace the power supply
PCB.
70 Not used.
Laser unit defective Replace the laser unit. 71 Scanner motor does not
synchronize with the
reference clock.
Main PCB defective Replace the main PCB.
Laser unit defective Replace the laser unit. 72 Cannot detect Beam Detect
signal.
Main PCB defective Replace the main PCB.
73 The drum unit is not mounted.
(Not used.)
Toner sensor defective Replace the toner sensor. 74 Toner empty
Toner empty Replace the toner
cartridge.
75 In casing temperature error. In casing temperature
sensor defective
Replace the in casing
temperature sensor.
Thermistor in the fuser
unit defective
Replace the thermistor in
the fuser unit.
PS PCB unit defective Replace the PS PCB unit.
76 Heater overheats.
Main PCB defective Replace the main PCB.
77 The power supply is turned
off when the error 76 or 78
occurs.
--- ---
Poor connection in the
harness of the halogen
lamp
Reinsert and adjust the
harness.
Halogen lamp defective Replace halogen lamp.
Thermistor defective Replace the thermistor.
PS PCB unit defective Replace the PS PCB unit.
78 Temperature of the heater does
not rise.
Main PCB defective Replace the main PCB.
79 Thermistor in the machine
defective
Extremely high or low
temperature inside the
machine
Replace the termistor in
he machine.

Brother MFC-8860DN Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	28 ppm
Scan to	e-mail, file, image, OCR
Grayscale levels	256
Input color depth	48 bit
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
Copy speed (black, normal quality, A4)	28 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
Maximum internal memory	544 MB
Sound power level (standby)	30 dB
Sound pressure level (printing)	55 dB
Display	LCD
Market positioning	Business
Paper tray media types	Envelopes, Plain paper, Recycled paper
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Font styles	66 Scaleable fonts, Letter, Gothic 16.66, OCR-A, OCR-B, 11 Barcodes
Dimensions (WxDxH)	531 x 450 x 475 mm
Networking features	10/100 Base-TX
All-in-one functions	Copy, Fax, Scan
Color all-in-one functions	scan, n
Compatible operating systems	Windows98(SE)/Me/2000/XP/NT4.0WS Mac OS 9.1-9.2/ OS X 10.2.4 +
Standard interfaces	USB 2.0
Power consumption (standby)	85 W
Power consumption (PowerSave)	15 W
Power consumption (average operating)	1104 W
Sustainability certificates	ENERGY STAR