Canon iPF780 Series Service Manual page 198

Display message
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.
Execute printhead cleaning.
If this message is still displayed, replace
the printhead.
Execute printhead cleaning.
If this message is still displayed, replace
the printhead.
Printing stopped.
Hardware error.
03800500-2F2F
Turn off printer, wait, then turn on again.
Hardware error.
03800500-2F30
Turn off printer, wait, then turn on again.
Hardware error.
03800500-2F31
Turn off printer, wait, then turn on again.
Hardware error.
03800500-2F40
Turn off printer, wait, then turn on again.
Hardware error.
03800500-2F41
Turn off printer, wait, then turn on again.
Hardware error.
03800500-2F42
Turn off printer, wait, then turn on again.
Hardware error.
03800500-2F43
Turn off printer, wait, then turn on again.
Hardware error.
03800500-2F44
Turn off printer, wait, then turn on again.
Hardware error.
03800500-2F47
Turn off printer, wait, then turn on again.
Clean right P Head
Press Online to clear error.
Code* Condition detected
03800400-2803 Printhead EEPROM error
03800401-2803 Printhead1EEPROM error
03800402-280B Printhead2 EEPROM error
03800500-280C Printhead found to have many non-
discharging nozzles during a non-
discharging inspection (printing paused)
03800500-2827 Printhead found to have many non-
discharging nozzles during a non-
discharging inspection (printing stopped)
03800500-2F2F The non-discharge of the EVEN or ODD
line (640-nozzles) is detected the 320-
nozzles or more.
03800500-2F30 Detectable area failure (when adjusting the
position of non-discharging nozzle)
The gap of detection position of nozzle
both ends is big.
03800500-2F31 Non-discharge detection optical axis error Check the head management sensor.
03800500-2F40 The non-discharge of all colors and chips
(A/B, EVEN/ODD) and nozzles is
detected.
03800500-2F41 About all chips and nozzles of one color,
the non-discharge is detected.
03800500-2F42 About single line (A or B) and all nozzles
(1280-nozzles) of one color, the non-
discharge is detected.
03800500-2F43 About single chip (A or B, EVEN or ODD)
and all nozzles (640-nozzles) of one color,
the non-discharge is detected.
03800500-2F44 The non-discharge of the EVEN or ODD
line (640-nozzles) is detected.
03800500-2F47 Head management sensor failure
The APCCHK signal of head management
sensor is out of range.
03800501-280D Printhead1 non-discharge detection error
Action
Replace printhead.
Replace the right printhead.
Replace the left printhead.
Clean the printhead.
Identify the nozzles in a nozzle check pattern.
Replace the printhead.
Clean the printhead. Identify the nozzles in a nozzle
check pattern.
Replace the printhead.
Check the head management sensor and surrounding
parts.
Check that the printhead is installed correctly.
Replace the head management sensor.
Replace the printhead.
Check the ink tube unit and surrounding parts.
Check the purge unit and surrounding parts.
Check the head management sensor and surrounding
parts.
Check the flexible cable unit and surrounding parts.
Check that the printhead is installed correctly.
Replace the main controller PCB.
Replace the printhead.
Replace the carriage unit.
Replace the head management sensor.
Replace the printhead.
Check the ink tube unit and surrounding parts.
Check the purge unit and surrounding parts.
Check the head management sensor and surrounding
parts.
Check the flexible cable unit and surrounding parts.
Check that the printhead is installed correctly.
Replace the head management sensor.
Replace the main controller PCB.
Replace the printhead.
Replace the carriage unit.
Check the head management sensor and
surrounding parts.
Check the flexible cable unit and surrounding parts.
Check that the printhead is installed correctly.
Replace the main controller PCB.
Replace the printhead.
Replace the carriage unit.
Check the head management sensor and surrounding
parts.
Check the flexible cable unit and surrounding parts.
Check that the printhead is installed correctly.
Replace the main controller PCB.
Replace the printhead.
Replace the carriage unit.
Check the head management sensor and surrounding
parts.
Check the flexible cable unit and surrounding parts.
Check that the printhead is installed correctly.
Replace the main controller PCB.
Replace the printhead.
Replace the carriage unit.
Check the head management sensor and surrounding
parts.
Check that the printhead is installed correctly.
Replace the main controller PCB.
Replace the printhead.
Replace the carriage unit.
Check the head management sensor and surrounding
parts.
Replace the head management sensor.
Replace the main controller PCB.
Clean the printhead.
Identify the nozzles in a nozzle check pattern.
Replace the right printhead.
Chapter 6
6-11