Canon imageRUNNER ADVANCE C3325 Series Service Manual page 590

COPIER>DISPLAY>DENS
P-B-S-C Dspl ITB front side base intnsty (Swave)
Lv.2 Details To display the ITB background light intensity (S-wave) detected by
the Registration Patch Sensor Unit (Front).
At low density or fogging deterioration, use this item to check
whether there is a problem in the Registration Patch Sensor Unit
(Front).
Use case At low density or fogging deterioration
Display/adj/set range 0 to 1023
Appropriate target value 10 - 300
P-D-S-Y Dspl rear side (Y/M) drk crrnt (Swave)
Lv.2 Details To display the Y/M-color dark current (S-wave) detected by the
Registration Patch Sensor Unit (Rear).
At low density or fogging deterioration, use this item to check
whether there is a problem in the Registration Patch Sensor Unit
(Rear).
Use case At low density or fogging deterioration
Display/adj/set range 0 to 1023
Appropriate target value 10 - 100
P-D-S-C Dspl front side (C/Bk) drk crrnt (Swave)
Lv.2 Details To display the C/Bk-color dark current (S-wave) detected by the
Registration Patch Sensor Unit (Front).
At low density or fogging deterioration, use this item to check
whether there is a problem in the Registration Patch Sensor Unit
(Front).
Use case At low density or fogging deterioration
Display/adj/set range 0 to 1023
Appropriate target value 10 - 100
DENS-K-H Dspl Bk-clr TD ratio diff log: ATR ctrl
Lv.2 Details To display the latest 8 logs in which deviations (%) of Bk-color toner
density (TD ratio) detected by the ATR Sensor at ATR control from
the target value are shown.
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 the toner density in the Developing Unit at low
density or fogging deterioration
Display/adj/set range -700 to 700
Unit 0.01 %
Appropriate target value -300 - 300
SPL-LG-K Display of Bk-color toner supply log
Lv.2 Details To display the latest 8 Bk-color toner supply log data.
Each data represents the number of toner blocks supplied per paper.
Use case When checking toner supply status at E020 occurrence, low density
or fogging deterioration
Display/adj/set range 0 to 100
Appropriate target value 0 - 10
8
Service Mode > COPIER > DISPLAY > DENS
8 Service Mode > COPIER > DISPLAY > DENS
COPIER>DISPLAY>DENS
Y-LED-DA Dspl rear side Patch Sensor intensity
Lv.1 Details To display the LED light intensity of the Registration Patch Sensor
Unit (Rear).
If the value is out of the appropriate range, clean the window of the
Registration Patch Sensor Unit. If the problem is not solved, it is
considered as a failure of the sensor.
Use case When an error related to the Patch Sensor occurs
Adj/set/operate method N/A (Display only)
Display/adj/set range 0 to 255
Appropriate target value 60 - 240
C-LED-DA Dspl front side Patch Sensor intensity
Lv.1 Details To display the LED light intensity of the Registration Patch Sensor
Unit (Front).
If the value is out of the appropriate range, clean the window of the
Registration Patch Sensor Unit. If the problem is not solved, it is
considered as a failure of the sensor.
Use case When an error related to the Patch Sensor occurs
Adj/set/operate method N/A (Display only)
Display/adj/set range 0 to 255
Appropriate target value 60 - 240
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T-8-13
8-39