Canon QY8-1360-000 Service Manual page 159

BJC-7100
2. Color BJ cartridge BC-61
Photo BJ cartridge BC-62e Photo
Replace appropriate
ink tank.
Does error recur?
Yes
Repeat head cleaning and
deap cleaning operations
4 or 5 times.
Does error recur?
Yes
Replace appropriate
BJ cartridge.
Does error recur?
Yes
Repeat cleaning.
Check purging
by purge unit.
OK?
Yes
Check ambient conditions.
OK?
Yes
Check contact resistance
of shield plate.
OK?
Yes
1. Check or replace
carriage cable.
2. Replace carriage unit.
3. Replace logic board.
No
No
No
Align print heads.
END
• Visually check purge unit purge operation during cleaning to
check that ink is purged.
No
Replace purge unit.
• Is there anything that might generate noise nearby?
No
Use under specified
ambient conditions.
• Measure the resistance of the contact between shield plates of
front and main covers.
No
Clean or service contacts.
5-27
Part 5: Maintenance
• Use normal print driver.