Faulty Printing - Canon BJC-1000 Service Manual

BJC-1000

3.Faulty Printing

<1>: No Printing
<Measure>
Remove and reinstall
the BJ cartridge
Execute a test print
Print defects?
Yes
Replace the BJ
cartridge
Print defects
even after
cartridge
replacement?
Yes
1. Replace the
logic board
2. Replace the purge
unit
3. Replace the carriage
unit
<Symptom>
•The printer does not print at all.
•Printing stops mid-way.
•Only a certain color is printed.
<Cause>
•The ink has run out or the BJ cartridge is faulty.
•The control board, the carriage ribbon cable, or the
purge unit is faulty.
While the printer is on, double-click the RESUME button.
A nozzle check pattern will be printed out.
No
END
No
END
·
Purge unit
·
Carriage ribbon cable faulty
5-17
Part 5: Maintenance