Canon BJC-55 Service Manual page 175

BJC-50
8. Head
Temperature Error
<Measure>
Switch the power off and
leave the printer for
several minutes.
Remove and reinstall
the BJ cartridge.
Switch the power on.
Is any error
displayed?
Yes
Check connectors.
Correct?
Yes
Next
page
<Cause>
The head temperature has risen excessively.
<Suspected part>
• Do not touch the head because it can be too hot.
No
END
• Check whether the carriage ribbon cable, paper feed motor cable,
carriage motor cable, control board cable are plugged in the
connectors.
No
Repair defective parts.
5-15
BJ head or control board
Part 5: Maintenance