Canon iPF9000S Troubleshooting Manual page 34

Panel display
Code
(last 4
Large LCD
digits)
2807 PHeads: wrong pos.
Open top cover and
check the
printhead positions.
2808 No left printhead
Install left
printhead.
2809 Left printhead
error
Open top cover and
replace the left
printhead.
280A Left printhead
error
Open top cover and
replace the left
printhead.
280B Left printhead
error
Open top cover and
replace the left
printhead.
Troubleshooting Guide
Small Small
LCD 1 LCD 2
Printhead L/R
Check Heads
Printhead Revrsd
Check
Printhea
ds
Printhead No Left
Left Printhd
Chk L Chk L
Printhead Printhea
d
Printhead Left
Left Printhd
Replace Err
Printhd Replace
Printhd
Printhead Left
Left Printhd
Replace Err
Printhd Replace
Printhd
Printhead Left
Left Printhd
Replace Err
Printhd Replace
Printhd
Explanation/Detection sequence
Head mounted in L/R opposite positions.
R head is mounted on L side.
Printhead L non-existing
Printhead L DI correction failure
Invalid printhead L has been mounted.
Printhead L EEPROM error
2-22
Remedial Action
(★: Reference fault
isolation procedure
or tool)
Replace with a
valid head. (An
error has occurred
but the head itself
is not damaged,
so
communication
has been
maintained
properly.)
The L/R heads
cannot be
interchanged.
①Check the
status of the
head mounted.
②Mount the long
flexible cable
and check the
status of the
cable being
locked.
Replace the
head.
Replace with a
valid head.
(An error has
occurred but the
head itself is not
damaged, so
communication
has been
maintained
properly.)
Replace the
head.