Canon imageRUNNER ADVANCE C5051 Series Service Manual page 741

COPIER > DISPLAY > DENS
DEV-DC-C Dspl of developing DC voltage (C)
Lv.2 Details To display the latest C developing DC voltage Vdc.
Use case - When image failure occurs due to carrier adherence
- When fogging occurs
- When fogging is deteriorated
Display/adj/set range -800 to -200
Unit V
Appropriate target value -800 to -200
DEV-DC-K Dspl of developing DC voltage (Bk)
Lv.2 Details To display the latest Bk developing DC voltage Vdc.
Use case - When image failure occurs due to carrier adherence
- When fogging occurs
- When fogging is deteriorated
Display/adj/set range -800 to -200
Unit V
Appropriate target value -800 to -200
CHG-DC-Y Dspl of primary charging DC voltage (Y)
Lv.2 Details To display the latest primary charging DC voltage of Y color.
Use case At low density/occurrence of fogging
Display/adj/set range 0 to 1500
Unit V
Appropriate target value 400 to 900
CHG-DC-M Dspl of primary charging DC voltage (M)
Lv.2 Details To display the latest primary charging DC voltage of M color.
Use case At low density/occurrence of fogging
Display/adj/set range 0 to 1500
Unit V
Appropriate target value 400 to 900
CHG-DC-C Dspl of primary charging DC voltage (C)
Lv.2 Details To display the latest primary charging DC voltage of C color.
Use case At low density/occurrence of fogging
Display/adj/set range 0 to 1500
Unit V
Appropriate target value 400 to 900
CHG-DC-K Dspl of primary charging DC voltage (Bk)
Lv.2 Details To display the latest primary charging DC voltage of Bk color.
Use case At low density/occurrence of fogging
Display/adj/set range 0 to 1500
Unit V
Appropriate target value 400 to 900
D-K-TRGT Dspl of ATR ctrl Bk patch target density
Lv.2 Details To display the Bk patch image target density created by ATR control.
Use case When analyzing the cause of a problem
Display/adj/set range 340 to 640
Appropriate target value 340 to 640
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Service Mode > COPIER > DISPLAY > DENS
8 Service Mode > COPIER > DISPLAY > DENS
COPIER > DISPLAY > DENS
D-CRNT-P Dspl of ATR ctrl dark current (P-wave)
Lv.2 Details To display the dark current value (P-wave) measured at ATR control.
Use case When checking the Patch Sensor
Display/adj/set range 0 to 1023
Appropriate target value less than 100
D-CRNT-S Dspl of ATR ctrl dark current (S-wave)
Lv.2 Details To display the dark current value (S-wave) measured at ATR control.
Use case When checking the Patch Sensor
Display/adj/set range 0 to 1023
Appropriate target value 0 to 409
P-SENS-S Dspl base intnsty at ATR ctrl (S-wave)
Lv.2 Details To display the light intensity (S-wave) reflected from the background
(ITB) at ATR control.
Use case When checking ITB failure at low density or fogging deterioration
Display/adj/set range 0 to 1023
Appropriate target value 10 to 400
Related service mode COPIER> DISPLAY> DENS> P-SENS-P
DENS-Y-H Dspl of ATR ctrl Y-clr TD ratio history
Lv.2 Details To display the latest 8 Y-toner density log data (TD ratio) detected by
the ATR Sensor at ATR control.
Sharp change in values may indicate ATR Sensor disconnection/
failure, whereas gradual change in values may indicate failure in
toner supply system.
Use case When checking toner density in the Developing Assembly at low
density or fogging deterioration
Display/adj/set range 0 to 255
Appropriate target value 20 to 230
DENS-M-H Dspl of ATR ctrl M-clr TD ratio history
Lv.2 Details To display the latest 8 M-toner density log data (TD ratio) detected
by the ATR Sensor at ATR control.
Sharp change in values may indicate ATR Sensor disconnection/
failure, whereas gradual change in values may indicate failure in
toner supply system.
Use case When checking toner density in the Developing Assembly at low
density or fogging deterioration
Display/adj/set range 0 to 255
Appropriate target value 20 to 230
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