Power Off Operation Flow - Canon BJC 50 - Color Inkjet Printer Service Manual

Part 4: Technical Reference

1.6 Power Off Operation Flow

Indicator blinks
Motor, BJ cartridge, and buzzers are all off
Paper delivery operation
Carriage initialization
<In case it is not capped>
Paper feed motor, initialization operation
<In case of cartridge replacement mode>
Carriage initialization
Paper delivery operation
Capping with no head
(To prevent backward
flow in the cylinder)
Air suction
Capping
Indicator off
MPU/Printer controller
section initialization
END
Figure 4-5 Power Off Operation Flow
When the printer is turned off by unplugging the DC power cord, the
power off operation is interrupted and stopped. Head capping might not
be completed. Turn on the printer and turn it off using the POWER
button and then unplug the DC power cord.
Finish the cleaning and paper feeding
operation before turning off
<No cartridge>
Paper delivery operation
4-8
<With cartridge>
Cleaning
Capping
BJC-50