Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest page 433

COPIER> ADJUST> DENS
DMLMT-HM M toner charging DC voltage upper limit
Lv.2 Details To adjust the offset of the charging DC voltage upper limit for M in
D-max control.
Use case When a failure occurs due to limiter of D-max control
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Execute Auto Adjust Gradation > Quick Adjust.
Caution Do not use this at the normal service.
Display/adj/set range -1500 to 1500
Unit 1 V
Appropriate target value 500 to 1000
Related user mode Adjustment/Maintenance> Adjust Image Quality> Auto Adjust
Gradation > Quick Adjust
DMLMT-HC C toner charging DC voltage upper limit
Lv.2 Details To adjust the offset of the charging DC voltage upper limit for C in
D-max control.
Use case When a failure occurs due to limiter of D-max control
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Execute Auto Adjust Gradation > Quick Adjust.
Caution Do not use this at the normal service.
Display/adj/set range -1500 to 1500
Unit 1 V
Appropriate target value 500 to 1000
Related user mode Adjustment/Maintenance> Adjust Image Quality> Auto Adjust
Gradation > Quick Adjust
DMLMT-LY Y toner charging DC voltage lower limit
Lv.2 Details To adjust the offset of the charging DC voltage lower limit for Y in
D-max control.
Use case When a failure occurs due to limiter of D-max control
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Execute Auto Adjust Gradation > Quick Adjust.
Caution Do not use this at the normal service.
Display/adj/set range -300 to 300
Unit 1 V
Related user mode Adjustment/Maintenance> Adjust Image Quality> Auto Adjust
Gradation > Quick Adjust
DMLMT-LM M toner charging DC voltage lower limit
Lv.2 Details To adjust the offset of the charging DC voltage lower limit for M in
D-max control.
Use case When a failure occurs due to limiter of D-max control
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Execute Auto Adjust Gradation > Quick Adjust.
Caution Do not use this at the normal service.
Display/adj/set range -300 to 300
Unit 1 V
Related user mode Adjustment/Maintenance> Adjust Image Quality> Auto Adjust
Gradation > Quick Adjust
COPIER> ADJUST> DENS
DMLMT-LC C toner charging DC voltage lower limit
Lv.2 Details To adjust the offset of the charging DC voltage lower limit for C in
D-max control.
Use case When a failure occurs due to limiter of D-max control
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Execute Auto Adjust Gradation > Quick Adjust.
Caution Do not use this at the normal service.
Display/adj/set range -300 to 300
Unit 1 V
Related user mode Adjustment/Maintenance> Adjust Image Quality> Auto Adjust
Gradation > Quick Adjust
CONT-Y Toner Density Sensor (Y) control voltage
Lv.1 Details To enter the density detection control voltage of the Toner Density
Sensor (Y).
When replacing the DC Controller PCB/clearing RAM data, enter the
value of service label.
Use case When the backup data is cleared by RAM clear, etc.
Adj/set/operate method Enter the setting value, and then press OK key.
Caution After the setting value is changed, write the changed value in the
service label.
Display/adj/set range 0 to 255
Appropriate target value 140 to 240
Related service mode COPIER> DISPLAY> DENS> CONT-Y
CONT-M Toner Density Sensor (M) control voltage
Lv.1 Details To enter the density detection control voltage of the Toner Density
Sensor (M).
When replacing the DC Controller PCB/clearing RAM data, enter the
value of service label.
Use case When the backup data is cleared by RAM clear, etc.
Adj/set/operate method Enter the setting value, and then press OK key.
Caution After the setting value is changed, write the changed value in the
service label.
Display/adj/set range 0 to 255
Appropriate target value 140 to 240
Related service mode COPIER> DISPLAY> DENS> CONT-M
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