Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest page 424

COPIER> ADJUST> CCD
DFCH2K2 Complex chart No.2 data (B&W) [Front]
Lv.1 Details To derive the front/back side linearity, set the B&W data (for paper
front) of No.2 image in DADF complex chart.
Enter the value of service label on the Reader.
This setting is enabled for 1-path DADF only.
Use case When replacing the Reader Controller PCB/clearing RAM data
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 1 to 2550
Default value 2000
DFCH2K10 Complex chart No.10 data (B&W) [Front]
Lv.1 Details To derive the front/back side linearity, set the B&W data (for paper
front) of No.10 image in DADF complex chart.
Enter the value of service label on the Reader.
This setting is enabled for 1-path DADF only.
Use case When replacing the Reader Controller PCB/clearing RAM data
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 2550
Default value 0
DFCH-K2 Complex chart No.2 data (B&W) [Back]
Lv.1 Details To derive the front/back side linearity, set the B&W data (for paper
back) of No.2 image in DADF complex chart.
Enter the value of service label on the Reader.
Use case When replacing the Reader Controller PCB/clearing RAM data
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
5
Display/adj/set range 1 to 2550
Default value 2000
Related service mode COPIER> ADJUST> CCD> DFCH-R2, DFCH-R10, DFCH-B2,
DFCH-B10, DFCH-G2, DFCH-G10, DFCH-K10
COPIER> FUNCTION> CCD> DF-LNR
DFCH-K10 Complex chart No.10 data (B&W) [Back]
Lv.1 Details To derive the front/back side linearity, set the B&W data (for paper
back) of No.10 image in DADF complex chart.
Enter the value of service label on the Reader.
Use case When replacing the Reader Controller PCB/clearing RAM data
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 2550
Default value 0
Related service mode COPIER> ADJUST> CCD> DFCH-R2, DFCH-R10, DFCH-B2,
DFCH-B10, DFCH-G2, DFCH-G10, DFCH-K2
COPIER> FUNCTION> CCD> DF-LNR
5-196
COPIER> ADJUST> CCD
DFTAR-BW Shading target value (B&W) [Front side]
Lv.1 Details When replacing the Reader Controller PCB, enter the value of
service label.
When replacing the Copyboard Glass/Scanner Unit (paper front),
execute COPIER> FUNCTION> CCD> DF-WLVL3, DF-WLVL4 and
write the value which is automatically set in the service label.
Use case • When replacing the Reader Controller PCB/clearing RAM data
• When replacing the Copyboard Glass/Scanner Unit (paper front)
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 700 to 1400
Default value 1209
Related service mode COPIER> FUNCTION> CCD> DF-WLVL3, DF-WLVL4
DFTBK-G Shading target value (G) [Back side]
Lv.1 Details When replacing the Reader Controller PCB, enter the value of
service label.
When replacing the Copyboard Glass/Scanner Unit (paper back),
execute COPIER> FUNCTION> CCD> DF-WLVL1, DF-WLVL2 and
write the value which is automatically set in the service label.
Use case • When replacing the Reader Controller PCB/clearing RAM data
• When replacing the Scanner Unit (paper back)
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 700 to 1400
Default value 1136
Related service mode COPIER> FUNCTION> CCD> DF-WLVL1, DF-WLVL2
DFTBK-B Shading target value (B) [Back side]
Lv.1 Details When replacing the Reader Controller PCB, enter the value of
service label.
When replacing the Copyboard Glass/Scanner Unit (paper back),
execute COPIER> FUNCTION> CCD> DF-WLVL1, DF-WLVL2 and
write the value which is automatically set in the service label.
Use case • When replacing the Reader Controller PCB/clearing RAM data
• When replacing the Scanner Unit (paper back)
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 700 to 1400
Default value 1126
Related service mode COPIER> FUNCTION> CCD> DF-WLVL1, DF-WLVL2