Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest page 304

COPIER> DISPLAY> DENS
SPL-LG-C Display of C toner supply history
Lv.2 Details To display the latest 8 C-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 5
Appropriate target value 0 to 5
DENS-K-H Dis of ATR ctrl Bk-clr T/D ratio history
Lv.2 Details To display the latest 8 Bk-toner density log data (T/D ratio) detected
by the Toner Density Sensor at ATR control.
Sharp change of values may indicate Toner Density Sensor
disconnection/failure, whereas gradual change 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 80 to 210
SPL-LG-K Display of Bk toner supply history
Lv.2 Details To display the latest 8 Bk-toner supply log data.
Each data represents the number of toner blocks supplied per paper.
Use case When checking the toner supply status at low density or fogging
deterioration
Display/adj/set range 0 to 5
Appropriate target value 0 to 5
CONT-M Dis Toner Density Sensor (M) ctrl voltg
Lv.1 Details To display the density detection control voltage of the Toner Density
Sensor (M).
5
Use case When checking before clearing RAM data
Display/adj/set range 0 to 255
Unit V
Appropriate target value 140 to 240
Related service mode COPIER> ADJUST> DENS> CONT-M
CONT-Y Dis Toner Density Sensor (Y) ctrl voltg
Lv.1 Details To display the density detection control voltage of the Toner Density
Sensor (Y).
Use case When checking before clearing RAM data
Display/adj/set range 0 to 255
Unit V
Appropriate target value 140 to 240
Related service mode COPIER> ADJUST> DENS> CONT-Y
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COPIER> DISPLAY> DENS
CONT-C Dis Toner Density Sensor (C) ctrl voltg
Lv.1 Details To display the density detection control voltage of the Toner Density
Sensor (C).
Use case When checking before clearing RAM data
Display/adj/set range 0 to 255
Unit V
Appropriate target value 140 to 240
Related service mode COPIER> ADJUST> DENS> CONT-C
CONT-K Dis Toner Density Sensor (Bk) ctrl voltg
Lv.1 Details To display the density detection control voltage of the Toner Density
Sensor (Bk).
Use case When checking before clearing RAM data
Display/adj/set range 0 to 255
Unit V
Appropriate target value 140 to 240
Related service mode COPIER> ADJUST> DENS> CONT-K
T-5-9