Diagnosis; Diagnostic Flow - Canon QY8-1360-000 Service Manual

Part 5: Maintenance

6.2 Diagnosis

6.2.1 Diagnostic flow

START
Connect power cable of
AC adaptor to wall outlet.
(Hard power ON)
ROM check
RAM check
EEPROM check
Turn power ON.
(Soft power ON)
OK?
Yes
Paper check
(Paper-end sensor)
Is paper loaded?
Yes
Purge unit decapping
OK?
Yes
Detection of carriage
in home position
OK?
Yes
Sheet feeder initialization
OK?
Yes
A
No
EEPROM error
ROM error
RAM error
No
Paper-out/paper-jam error
No
Purge error
No
Home position error
Print alignment error
No
Sheet feeder error
5-14
Beeper ERROR indicator Reference page
8 times Blinks 9 times
8 times Blinks 10 times
8 times Blinks 11 times
Beeper ERROR indicator Reference page
Twice ON
Beeper ERROR indicator Reference page
8 times Blinks 4 times
Beeper ERROR indicator Reference page
8 times Blinks 3 times
8 times Blinks twice
Beeper ERROR indicator Reference page
8 times Blinks 5 times
BJC-7100
5-21
5-21
5-21
5-24
5-18
5-18
5-16
5-19