Canon BJC 50 Service Manual - Page 165

Canon BJC 50 - Color Inkjet Printer Manual

Page 165 highlights

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

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<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.
<Measure>
5-25
BJC-50
Part 5: Maintenance
3. BJ Cartridge is
Not Recognazed.
Remove and reinstall
the BJ cartridge.
Is it recognized?
1. Replace the BJ
cartridge.
No
Yes
END
2. Replace the control
board.
The BJ cartridge is defective.
Check the BJ cartridge.
See Fig.5-9.
The ASIC is defective.
14
14
Meter connection
Pin No.
Reading
11
11
Approx. 0
BC-10
BC-11e
11
14
Figure 5-9 Head Connector