4-29
CHAPTER 4 SERVICE MODE
COPIER>DISPLAY
Level 3
D-Y-TRGT
D-M-TRGT
D-C-TRGT
REF-Y
REF-M
REF-C
SGNL-Y
SGNL-M
SGNL-C
PT-REF-Y
PT-REF-M
PT-REF-C
PT-REF-K
PT-SIG-Y
PT-SIG-M
PT-SIG-C
PT-SIG-K
PT-SIG-D
PT-REF-D
DMAX70-Y
DMAX70-M
DMAX70-C
DMAX70-K
Remarks
Indicated in round numbers,
omitting decimal places
Indicated in round numbers,
omitting decimal places.
Description
target value of Y developer concentration
target value of M developer concentration
target value of C developer concentration
present value of the density reference signal for the Y
developing assembly (direct light form (LED)
present value of the density reference signal for the
M developing assembly (direct light form (LED)
present value of the density reference signal for the C
developing assembly (direct light from LED)
measurement of the present Y developer
concentration
measurement of the present M developer
concentration
measurement of the present C developer
concentration
concentration reference signal for the Y toner on the
photosensitive drum
concentration reference signal for the M toner on the
photosensitive drum
concentration reference signal for the C toner on the
photosensitive drum
concentration reference signal for the Bk toner on the
photosensitive drum
concentration signal for the Y toner on the
photosensitive drum (present value)
concentration signal for the M toner on the
photosensitive drum (present value)
concentration signal for the C toner on the
photosensitive drum (present value)
concentration signal for the Bk toner on the
photosensitive drum (present value)
reflection intensity signal for the photosensitive drum
surface (present value)
reflection intensity reference signal for the
photosensitive drum surface
solid density of Y at laser pulse width 70% during
auto gradation correction
solid density of M at laser pulse width 70% during
auto gradation correction
solid density of C at laser pulse width 70% during
auto gradation correction
solid density of Bk at laser pulse width 70% during
auto gradation correction