Canon imageRUNNER ADVANCE C5255 Series Service Manual page 907

■ DENS
COPIER > ADJUST > DENS
SGNL-Y Enter Y toner dens VL: initialization
Lv.1 Details To enter the Y toner density value when initializing the Patch Sensor
(Center).
Use case When checking the value before RAM clear and re-entering it after
RAM clear
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range 0 to 1023
Default value 0
SGNL-M Enter M toner dens VL: initialization
Lv.1 Details To enter the M toner density value when initializing the Patch Sensor
(Center).
Use case When checking the value before RAM clear and re-entering it after
RAM clear
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range 0 to 1023
Default value 0
SGNL-C Enter C toner dens VL: initialization
Lv.1 Details To enter the C toner density value when initializing the Patch Sensor
(Center).
Use case When checking the value before RAM clear and re-entering it after
RAM clear
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range 0 to 1023
Default value 0
REF-Y Y toner dens target VL entry
Lv.1 Details To enter the target value of the ATR Sensor (Y) of ATR control after
RAM clear.
Use case When checking the value before RAM clear and re-entering it after
RAM clear
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Caution Do not use this at the normal service.
Display/adj/set range 0 to 255
Default value 90(RAM clear)
8
Service Mode > COPIER > ADJUST > DENS
8 Service Mode > COPIER > ADJUST > DENS
COPIER > ADJUST > DENS
REF-M M toner dens target VL entry
Lv.1 Details To enter the target value of the ATR Sensor (M) of ATR control after
RAM clear.
Use case When checking the value before RAM clear and re-entering it after
RAM clear
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Caution Do not use this at the normal service.
Display/adj/set range 0 to 255
Default value 90(RAM clear)
REF-C C toner dens target VL entry
Lv.1 Details To enter the target value of the ATR Sensor (C) of ATR control after
RAM clear.
Use case When checking the value before RAM clear and re-entering it after
RAM clear
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Caution Do not use this at the normal service.
Display/adj/set range 0 to 255
Default value 90(RAM clear)
SIGG-Y Adj Y toner dens gain value: ATR control
Lv.1 Details To adjust the gain value of the Y toner density target value at ATR
control.
The Y-color patch level value at the time of ATR-INIT execution is
displayed at Drum Unit initialization.
When replacing the DC Controller PCB, enter the ATR-INIT value
peculiar to each drum unit.
Use case - When identifying the cause at the occurrence of an image density
failure
- When replacing the DC Controller PCB
Display/adj/set range 0 to 255
Default value 0
SIGG-M Adj M toner dens gain value: ATR control
Lv.1 Details To adjust the gain value of the M toner density target value at ATR
control.
The M-color patch level value at the time of ATR-INIT execution is
displayed at Drum Unit initialization.
When replacing the DC Controller PCB, enter the ATR-INIT value
peculiar to each drum unit.
Use case - When identifying the cause at the occurrence of an image density
failure
- When replacing the DC Controller PCB
Display/adj/set range 0 to 255
Default value 0
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