Service-Related Features; Service Mode Operations - Canon S520 Service Manual

S900 / S820 / S750 / S520

7. SERVICE-RELATED FEATURES

The printer has a service mode for accessing service settings and executing test
printouts. The service mode can be accessed via the operation panel.
7.1 Service Mode Operation
1) With the printer turned off, hold down the RESUME button and press the POWER
button (the green indicator lights and the desired service function can be selected).
2) While holding down the POWER button, let go of the RESUME button before pressing
the RESUME button again twice in succession. Then let go of both RESUME and
POWER buttons.
(At each press of the RESUME button, the indicator toggles between orange and
green.)
3) During printer initialization, the green indicator blinks. When the green indicator
stops blinking and remains on, press the RESUME button the specified number of
times to execute the desired service function, as listed below.
(At each press of the RESUME button, the indicator toggles between orange and
green.)
Press
0 times Green
1 time Orange
2 times Green
3 times Orange
4 times Green
5 times Orange
6 times
6~9 times
More than Green
10 times
4) After selecting a service function, press the POWER button. The green indicator
lights and the service function will be executed. (After each function is executed, the
printer returns to the service function select stage.)
Indicator
Power off (Even if there is no print head mounted, the
carriage will return to the home position and lock.)
Service/factory test printout (Including ink sensor check)
EEPROM information printout
EEPROM initialization
Clears the waste-ink counter (S750/S520)
Waste-ink counter settings (S900/820)
Destination (model) setting
After reaching this service function, press the RESUME
button the number of times specified below to set the
destination.
0 times BJ F900
1 times S900
2 times
3 times
Returns to the function select stage (S750/520)
Not used for servicing (S900/820)
Returns to the function select stage (S900/820)
To cancel printing which is in progress, press the POWER button.
Function
BJ F890
S820
BJ F890PD S750
S820D
Note: pressing more than 3 times has no effect.
2-29
Part 2: Troubleshooting
(See page 2-34)
Setting
BJ F700 BJ F500
S520