Canon BJC-55 Service Manual page 168

Part 5: Maintenance
When the power is turned on
with the POWER button
START
Press the POWER button.
POWER indicator blinks.
• RAM check
• ROM check
Correct?
Yes
Read the hardware
power-on time, software
power-on time, and cap
close time from the
EEPROM.
Check the inside
temperature sensor.
Correct?
Yes
Read the low battery
value from the EEPROM.
Is the test
print button
pressed?
No
Next
page
No
• RAM error
• ROM error
No
Thermistor error
Yes
When the POWER
button is pressed, do
the selected test print
after initialization.
5-8
POWER ERROR
RAM ERROR : 2 beeps
ROM ERROR : 1 beep
ERROR
POWER
6 beeps
BJC-50