Canon CLC 1120 Service Handbook page 165

DENS
Adjusts items related to developer concentration.
Level 3
SGNL-Y Use it to adjust the toner concentration signal value
SGNL-M of each color during INIT for ATR control.
SGNL-C
(Note 1)
REF-Y Use it to adjust the toner concentration reference
REF-M signal value for each color during INIT for ATR
REF-C control.
(Note 1)
SIGG-Y Use it to adjust the toner concentration reference
SIGG-M signal gain value for each color during ATR control.
SIGG-C
(Note 1)
RGAIN-K Use it to adjust the toner concentration reference
(Note 1) signal gain value for Bk during toner concentration
control.
D-Y-TRGT Use it to adjust the toner concentration target present
D-M-TRGT value of each color during ATR control.
D-C-TRGT
(Note 1)
PTOFST-Y Use it to adjust the correction value (%) of the laser
PTOFST-M output of each color during ATR control.
PTOFST-C
PTOFST-K
(Note 1)
D-REF-Y Use it to adjust the reference signal value (during
D-REF-M initialization) of each toner concentration sensor in
D-REF-C relation to light reflected by the photosensitive
D-REF-K drum.
D-REF-4 Use it to adjust the reference signal value (during
(Note 1) initialization) of the toner concentration sensor for
all colors in relation to light reflected by the
photosensitive drum.
Note 1: Execute this mode upon replacement of a CPU PCB or initialization of the RAM. The settings
will be returned to standard settings, requiring you to enter the appropriate settings. Be sure to
record any new settings on the service label.
Description
CHAPTER 4 SERVICE MODE
COPIER>ADJUST
Remarks
0 to 1023
0 to 1023
0 to 255
0 to 255
0 to 1023
-127 to +128
0 to 1023
4-79