Canon BJC-55 Service Manual page 166

Part 5: Maintenance
5. Several measures may be described in the error condition diagnosis and error
recovery.
They are shown in each step to be done to solve the problem.
Do a test print after completing each step to make sure the problem has been
eliminated. If it persists, go to the next step.
Example 2
After replacing the control board in step 1, carry out a test print to make sure the
problem has been solved.
If it still persists, go to step 2 and replace the print unit.
Remove and reinstall
the battery
Is an error
displayed?
Yes
1. Replace the control
board.
2. Replace the print unit.
6. After troubleshooting, make sure that all the connectors have been plugged back in
correctly and that all the screws are tight.
No
END
• The recharging circuit is defective.
• The battery installation part is defective.
When replacing the control board, check the quantity of waste ink
absorbed in the waste ink absorber in the printer base unit, and reset the
quantity of waste ink absorbed in the EEPROM. See Part 3: 3.6 EEPROM
Data Setting (page 3-23) .
5-6
BJC-50