Canon BJC-55 Service Bulletin page 180

Part 5: Maintenance
11. Failed
Recharging
Circuit Error
<Measure>
Remove and reinstall
the battery.
Is an error
displayed?
Yes
1. Replace the control
board.
2. Replace the print unit.
<Cause>
The recharge current exceeds the standard value.
<Suspected part>
No
END
•
The recharging circuit is defective.
•
The battery installation part is defective.
5-18
• Control board.
• The contact points between the lithium ion
battery and the printer.
BJC-50