Canon BJC 50 Service Manual - Page 148
Canon BJC 50 - Color Inkjet Printer Manual
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Part 5: Maintenance BJC-50 When the power is turned on with the POWER button START Press the POWER button. POWER indicator blinks. • RAM check • ROM check No • RAM error • ROM error Correct? Yes POWER ERROR Read the hardware power-on time, software power-on time, and cap close time from the EEPROM. RAM ERROR: 2 beeps ROM ERROR: 1 beep Check the inside temperature sensor. No Correct? Yes Thermistor error POWER ERROR Read the low battery value from the EEPROM. 6 beeps Is the test print button pressed? No Yes When the POWER button is pressed, do the selected test print after initialization. Next page 5-8
Part 5: Maintenance
BJC-50
5-8
Press the
POWER
button.
Correct?
Read the hardware
power-on time, software
power-on time, and cap
close time from the
EEPROM.
Read the low battery
value from the EEPROM.
Is the test
print button
pressed?
No
Yes
START
When the power is turned on
with the
POWER
button
Correct?
No
Yes
POWER
indicator blinks.
•
RAM check
•
ROM check
•
RAM error
•
ROM error
Thermistor error
Next
page
When the
POWER
button is pressed, do
the selected test print
after initialization.
Check the inside
temperature sensor.
POWER
ERROR
POWER
ERROR
No
Yes
RAM ERROR: 2 beeps
ROM ERROR: 1 beep
6 beeps