Canon iPF9000S Troubleshooting Manual page 73

Panel display
Code
(last 4
Large LCD
digits)
4048 ERROR
E144-4048
Call for service.
4049 Unknown file.
Check file format.
Turn off printer,
wait a while, then
turn it on again.
404A ERROR
E194-404A
Call for service.
404B ERROR
E199-404B
Call for service.
Small LCD
ERROR Non-discharging nozzles on initial filling
E144-4048 An unallowable number of non-discharging
Call For Service nozzles have been detected at the
completion of initial filling.
Cannot update Wrong transfer ROM data model
firmware Files for a different model have been
Power On transferred on firmware update.
Again
ERROR Non-ejection count error
E194-404A A non-ejection part operation counter has
Call For Service reached a specified limit.
ERROR Temperature/humidity sensor error
E199-404B When temperature 0 and humidity 0% are
Call For Service detected, the detection mechanism is
considered failed and an error message is
displayed.
Explanation/Detection sequence
2-61
Chapter 2 Indexes by Case
Remedial Action
(★: Reference fault
isolation procedure
or tool)
Go to ★2F2F
(P3-6).
①Restart the
printer in
service mode
to clear the
error (this
error won't
occur when
FUT is used).
②Start in
download
mode to
upgrade the
firmware.
③Replace the
main PCB.
Check the parts
counter and
replace the
target unit or
Refresh Service
Kit.
Initialize the parts
counter for the
target unit after
the replacement.
①Restart the
printer in
service mode
to clear the
error.
②Identify the
firmware
version and
update the
firmware to the
last release if
it is earlier
than Ver.1.31
(firmware
defect）.
③Remove and
reinsert the
temperature/h
umidity sensor
PCB
connector
④Replace the
temperature/h
umidity sensor
PCB.