Canon BJC-55 Service Manual page 170

Part 5: Maintenance
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Feed out the paper
in the printer.
Is the paper
fed out?
Yes
Check condition for
automatic recovery operation.
Check battery voltage.
Correct?
Yes
Detect internal temperature
Print head temperature
adjustment control starts.
Is a BJ cartridge
installed?
Yes
The POWER Indicator
lights.
END
No
Paper output error.
¥ Detected by the paper
delivery sensor
No
If it is 6.5V or lower,
battery failure warning.
No
Move the carriage
to the head replacement
position.
5-10
ERROR
POWER
2 Beeps
Warning
POWER ERROR
6 beeps
POWER
ERROR
3 beeps
BJC-50