Canon CiRC2550, Service Manual

Page: 605 / 774

Chapter 17
17-2
17.1.2 Entering or selecting service modes
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Color iR C3380G / Color iR C2880G / Color iR C3380i / Color iR C3380 / Color iR C2880i / Color iR C2880 / iR C3480 / iR C3480i / iR C3080 / iR C3080i / iR
C2550
If you want to execute a machine operation using a service mode item, be sure to disconnect all cables from an external controller or a network before starting
service mode. Particularly, if you are using a FUNCTION (operation/inspection) mode item, the arrival of a print job from an external source can cause the machine
to malfunction, leading to damage.
1) Press the asterisk key " " on the control panel.
2) Press the 2 and 8 keys of the keypad at the same time.
3) Press the asterisk key " " on the control panel.
In response to the foregoing key operations, the machine will bring up the following Initial screen:
F-17-3
17.1.3 Exiting service modes
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Color iR C3380G / Color iR C2880G / Color iR C3380i / Color iR C3380 / Color iR C2880i / Color iR C2880 / iR C3480 / iR C3480i / iR C3080 / iR C3080i / iR
C2550
A press on the Reset key will bring back the Service Mode Initial screen.
Another press on the Reset key will end service mode, and bring back the User screen (standard screen).
If you used service mode (ADJUST, FUNCTION, OPTION), be sure to turn off and then on the main power switch after ending service mode.
17.1.4 Back-up of service mode
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Color iR C3380G / Color iR C2880G / Color iR C3380i / Color iR C3380 / Color iR C2880i / Color iR C2880 / iR C3480 / iR C3480i / iR C3080 / iR C3080i / iR
C2550
At time of shipment from the factory, all machines are adjusted individually, and adjustment values are recorded in their respective service labels.
If you have replaced the reader controller PCB or the DC controller PCB, or if you have initialized the RAM, the adjustment values (for ADJUST and OPTION)
will return to their default settings. If there has been any change in a service mode item, be sure to update its setting indicated on the service label. As necessary,
make use of the space in the service label (as when recording an item not found on the label).
- Service Label for the Reader Controller PCB (behind the left cover [1] of the reader unit)
COPIER
FEEDER
SORTER
ADF's service mode
only when installed.
only if installed; the absence
of a mode for a sorter prevents
the indication of the notation.
BOARD
Optional board's service mode
only if installed
Copier's service mode
Sorter's or finisher's service mode