Canon iPF780 Series Service Manual page 197

Chapter 6
Display message
No printhead
Install printhead.
No right printhead
Install right printhead.
No left printhead
Install left printhead.
Printhead error
Open top cover and replace the right
printhead.
PHeads: wrong pos.
Open top cover and check the printhead
positions.
Wrong printhead.
Open top cover and replace the
printhead.
Right printhead error.
Open top cover and replace the right
printhead.
PHeads: wrong pos.
Open top cover and check the printhead
positions.
Right printhead error.
Open top cover and replace the right
printhead.
PHeads: wrong pos.
Open top cover and check the printhead
positions.
Left printhead error.
Open top cover and replace the left
printhead.
Left printhead error.
Open top cover and replace the left
printhead.
! Printhead L error.
Turn off printer, wait a while, then turn it
on again.
! Left printhead error
Open top cover and replace the left
printhead.
Printhead error
Open top cover and replace the right
printhead.
Right printhead error.
Open top cover and replace the right
printhead.
! Unknown printhead.
Open top cover and reinstall the
printhead.
Right printhead error.
Open top cover and replace the right
printhead.
Right printhead error.
Open top cover and replace the right
printhead.
Left printhead error.
Open top cover and replace the left
printhead.
Right printhead error.
Open top cover and replace the right
printhead.
6-10
Code* Condition detected
03800100-2800 Printhead not installed.
03800101-2800 Printhead1 not installed.
03800102-2808 Printhead2 not installed.
03800200-2802 Invalid printhead installed.
03800200-2804 Printheads installed left and right reversed Replace printhead.
03800200-2811 Printhead version error
03800201-2802 Printhead1 ID error
03800201-2804 Printheads installed left and right reversed Replace printhead.
03800201-2812 Printhead1 wrong version error
03800202-2807 Printheads installed left and right reversed Check the installation position of printhead.
03800202-280A Printhead2 ID error
03800202-2813 Printhead2 wrong version error
03800202-282D Left printhead abnormal temperature
detection error (during maintenance jet)
03800202-2830 Printhead2 temperature rise error
03800300-2801 Printhead DI compensation failure
03800300-2832 Printhead H3V-VH voltage error
03800300-2834 Printhead contact error
03800301-2801 Printhead1 DI compensation failure
03800301-2832 Right Printhead H3V-VH voltage error
03800302-2809 Printhead2 DI compensation failure
03800302-2833 Left Printhead H3V-VH voltage error
Action
Install the printhead.
Install the right printhead.
Install the left printhead.
Replace printhead.
Replace printhead.
Replace the right printhead.
Replace the right printhead.
Replace printhead.
Replace the left printhead.
Replace the left printhead.
Turn off the printer, and then turn it on again and replace
the left printhead.
Replace the left printhead.
Replace printhead.
Replace printhead.
Check the installation position of printhead.
Replace printhead.
Replace the right printhead.
Replace the right printhead.
Replace the left printhead.
Replace the left printhead.