Canon iPF9000S - Page 34

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