Canon 3743B002 Basic Manual page 574

Power Lamp Flashes Green and Alarm Lamp Flashes Orange Alternately
When the Power and Alarm lamps flash alternately as shown below, and P and number (error
code) are alternately displayed on the LED, an error requiring servicing might have occurred.
Error Code
P, 0, 2
P, *, *
Make sure that the print head alignment
sheet is set in the correct position and
orientation on the Platen Glass.
Make sure the Platen Glass and the print
head alignment sheet are not dirty.
Make sure the type and size of loaded
paper is suitable for Automatic Print Head
Alignment.
For Automatic Print Head Alignment, always
load one sheet of A4 or letter-sized plain
paper.
Make sure if Print Head nozzles are
clogged.
Print the nozzle check pattern to check the
status of the Print Head.
Routine Maintenance
If the error is not resolved, connect the machine
to the computer and align the Print Head on the
printer driver.
Aligning the Print Head Position
Action
Cancel printing, turn off the machine. Then clear the
jammed paper or protective material that is preventing
the FINE Cartridge Holder from moving, and turn on the
machine again.
Important
Be careful not to touch the components inside the
machine. The machine may not print out properly if
you touch it.
If the problem is not resolved, contact the service
center.
"*, *" depends on the error occurred.
"P, 1, 0" is displayed:
Turn off the machine, and unplug the power cord of
the machine from the power supply.
Contact the service center.
"P, 0, 3" is displayed:
If any object is placed in front of the machine, remove
it.
Open the Paper Output Tray gently, then turn the
power off and back on.
In other cases:
Turn off the machine, and unplug the power cord of
the machine from the power supply.
Plug the machine back in and turn the machine back
on.