Canon CLC 1120 Service Handbook page 185

DPC
CST
CLEANING
FIXING
PANEL
PART-CHK
Cont'd Cont'd
TR2-ON executes printing for checking an 8-mm leading edge
margin according to TR2-CHK settings (OK key to
start; auto stop)
TR3-CHK for R&D
TR3-ON for R&D
TR4-CHK for R&D
TR4-ON for R&D
DPC executes measurement of potential on the
photosensitive drum (OK key to start; auto stop)
OFST executes offset adjustment of the potential
measurement circuit of the photosensitive drum (OK
key to start; auto stop)
INIT executes initialization of the photosensitive drum
potential measurement data (OK key to start; auto
stop)
C2-STMTR stores paper width detection reference point 1 for
STMTR paper in cassette 2 (OK key to start; auto
stop)
C2-A4R stores paper width detection reference point 2 for
A4R paper in cassette 2 (OK key to start; auto stop)
C3-STMTR stores paper width detection reference point 1 for
STMTR paper in cassette 3 (OK key to start; auto
stop)
C3-A4R stores paper width detection reference point 2 for
A4R paper in cassette 3 (OK key to start; auto stop)
MF-A4R stores paper width detection reference point 1 for
A4R paper in multifeeder (OK key to start; auto
stop)
MF-A6R stores paper width detection reference point 2 for
A6R paper in multifeeder (OK key to start; auto stop)
MF-A4 stores paper width detection reference point 3 for A4
paper in multifeeder (OK key to start; auto stop)
KCLN rotates the polishing roller while rotating the transfer
drum (OK key to start and rotate for about
auto stop)
NIP-CHK generates output for measuring the fixing nip with
(OK key to start; cyan image output generated and
delivered automatically)
PUMP-ON turns on the fixing oil pump (OK key to start; Stop
key to stop)
LCD-CHK checks the LCD for missing dots (OK key to start; all
dots turned on, and changed to blue; Stop key to stop)
LED-CHK starts a check on the LEDs on the control panel (OK
key to start; LEDs turned on in sequence)
LED-OFF ends a check on the LEDs on the control panel
KEY-CHK starts a check on key inputs from the control panel
(press on highlighted item to end)
TOUCHCHK checks the touch panel of the control panel (+
indicated on LCD pressed repeatedly to move
through highlighted items)
CL selects each clutch (enter parts No., and press OK
key to select)
CL-ON starts the operation of the clutch selected by 'CL'
(OK key to start; Stop key to stop)
FAN selects each key (enter part No., and press OK key to
select)
CHAPTER 4 SERVICE MODE
5 min;
4-99