Brother MFC-8220 - Page 185

MFC-8220
SERVICE MANUAL
6-7
Error
Code
(Hex)
Error factor Check:
79
In-casing temperature sensor harness
disconnected or broken.
7A
Main motor does not synchronize with the
reference clock.
7B ASIC error on the main PCB.
7C Engine PCB error.
• Thermistor ASSY
• Main PCB
• Engine PCB
• Main motor
80 Paper size setting error.
• Paper size
81
Paper jam.
• Jammed paper
82
Paper feeding error.
• Paper pick-up roller
83
Paper jam.
Registration sensor, second registration
sensor, or manual feed sensor remaining
ON.
• Front registration sensor
• Main PCB
84
Paper jam.
Paper eject sensor remaining ON.
• Registration sensor actuator
• Main PCB
85
No paper tray loaded.
• Paper tray
86
No 2nd paper tray loaded.
• Paper tray
87
Main motor stop position error.
• Main motor
88
Paper jam.
Paper eject sensor remaining OFF even
after regist sensor is turned OFF.
• Registration sensor actuator
• Main PCB
A1
Main cover opened.
• Main PCB
• Scanner unit
A2 Document too long to scan.
A3
Document not detected by the document
rear sensor.
• Document front sensor
• Document rear sensor
• Document sensor PCB
• Document feed roller
• ADF motor
• Main PCB
A4
Not used. (50% or more of white level data
is improper.)
A5
FAX transmission scan failure detected.
First attempt
A6
FAX transmission scan failure detected.
Second attempt
• CIS
• Main PCB
AA
Not used. (The document cover is not
closed.)
Remove the document and close the
document cover.