Canon imageRUNNER ADVANCE C5255 Series Service Manual page 861

■ DENS
COPIER > DISPLAY > DENS
DENS-Y Dis of Y developer density change ratio
Lv.1 Details To display the difference between Y-color developer density and the
target value in % (percentage).
Intolerable difference will trigger E020. This may be caused by
deterioration of the developer, failure/disconnection of the ATR
Sensor or error in toner supply system.
The value is updated upon print operation after power-on.
Use case - When the density varies dramatically
- When the density is unstable even after gradation correction
Display/adj/set range -7 to 7
Unit %
Appropriate target value -4.5 to 4.5
Related service mode COPIER> DISPLAY> DENS> SGNL-Y
DENS-M Dis of M developer density change ratio
Lv.1 Details To display difference between M-color developer density and the
target value in % (percentage).
Intolerable difference will trigger E020. This may be caused by
deterioration of the developer, failure/disconnection of the ATR
Sensor or error in toner supply system.
The value is updated upon print operation after power-on.
Use case - When the density varies dramatically
- When the density is unstable even after gradation correction
Display/adj/set range -7 to 7
Unit %
Appropriate target value -4.5 to 4.5
Related service mode COPIER> DISPLAY> DENS> SGNL-M
DENS-C Dis of C developer density change ratio
Lv.1 Details To display difference between C-color developer density and the
target value in % (percentage).
Intolerable difference will trigger E020. This may be caused by
deterioration of the developer, failure/disconnection of the ATR
Sensor or error in toner supply system.
The value is updated upon print operation after power-on.
Use case - When the density varies dramatically
- When the density is unstable even after gradation correction
Display/adj/set range -7 to 7
Unit %
Appropriate target value -4.5 to 4.5
Related service mode COPIER> DISPLAY> DENS> SGNL-C
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Service Mode > COPIER > DISPLAY > DENS
8 Service Mode > COPIER > DISPLAY > DENS
COPIER > DISPLAY > DENS
DENS-K Dis of Bk developer density change ratio
Lv.1 Details To display difference between Bk-color developer density and the
target value in % (percentage).
Intolerable difference will trigger E020. This may be caused by
deterioration of the developer, failure/disconnection of the ATR
Sensor or error in toner supply system.
The value is updated upon print operation after power-on.
Use case - When the density varies dramatically
- When the density is unstable even after gradation correction
Display/adj/set range -7 to 7
Unit %
Appropriate target value -4.5 to 4.5
Related service mode COPIER> DISPLAY> DENS> SGNL-K
DENS-S-Y Dis of ATR control patch density (Y)
Lv.2 Details To display Y patch image density created by ATR control.
Use case When analyzing the cause of a problem
Display/adj/set range 0 to 1023
Appropriate target value 300 to 700
DENS-S-M Dis of ATR control patch density (M)
Lv.2 Details To display M patch image density created by ATR control.
Use case When analyzing the cause of a problem
Display/adj/set range 0 to 1023
Appropriate target value 300 to 700
DENS-S-C Dis of ATR control patch density (C)
Lv.2 Details To display C patch image density created by ATR control.
Use case When analyzing the cause of a problem
Display/adj/set range 0 to 1023
Appropriate target value 300 to 700
DENS-S-K Dis of ATR control patch density (Bk)
Lv.2 Details To display Bk patch image density created by ATR control.
Use case When analyzing the cause of a problem
Display/adj/set range 0 to 1023
Appropriate target value 300 to 700
D-Y-TRGT Dis of ATR ctrl Y patch target density
Lv.2 Details To display the target density for Y patch image created by ATR
control.
Use case When analyzing the cause of a problem
Display/adj/set range 0 to 1023
Appropriate target value 300 to 700
D-M-TRGT Dis of ATR ctrl M patch target density
Lv.2 Details To display the target density for M patch image created by ATR
control.
Use case When analyzing the cause of a problem
Display/adj/set range 0 to 1023
Appropriate target value 300 to 700
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