Canon BJC-55 Service Bulletin page 187

BJC-50
3. BJ Cartridge is
Not Recognazed.
<Measure>
Remove and reinstall
the BJ cartridge.
Is it recognized?
Yes
END
<Symptom>
• The installed BJ cartridge is not recognized.
• When the BJ cartridge is installed, the carriage
returns to the replacement position.
• The installed BJ cartridge is not recognized
correctly.
<Cause>
The BJ cartridge does not contact the carriage
properly.
The BJ cartridge is defective.
The carriage is defective.
The control board is defective.
No
1. Replace the BJ
cartridge.
2. Replace the control
board.
14
11
Meter connection Reading
Approx. 0 Ω
11 14
Pin No.
11 14
Figure 5-9 Head Connector
5-25
•
The BJ cartridge is defective.
•
Check the BJ cartridge.
See Fig.5-9.
•
The ASIC is defective.
BC-10
∞
BC-11e
Part 5: Maintenance