Canon imageRUNNER ADVANCE C5255 Series Service Manual page 897

COPIER > ADJUST > CCD
MTF2-S8 MTF value 8 setting: vert scan [Front]
Lv.1 Details Setting value for MTF filter coefficient calculation.
Enter the value of service label on the Reader.
Use case - When replacing the Scanner Unit
- 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 20 to 80
Default value 50
Related service mode COPIER> FUNCTION> CCD> MTF-CLC
MTF2-S9 MTF value 9 setting: vert scan [Front]
Lv.1 Details Setting value for MTF filter coefficient calculation.
Enter the value of service label on the Reader.
Use case - When replacing the Scanner Unit
- 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 20 to 80
Default value 50
Related service mode COPIER> FUNCTION> CCD> MTF-CLC
100DF2GB Img Sns GB clr displc crrct VL:bck,DRead
Lv.2 Details To correct the color displacement (G and B lines) in vertical scanning
direction due to the Scanner Unit (paper back).
When replacing the Reader Controller PCB/clearing RAM data, enter
the value of service label.
Use case - When replacing the Scanner Unit
- When replacing the Reader Controller PCB/clearing RAM data
Adj/set/operate method 1) Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range -256 to 256
Unit line
Default value 0
100DF2RG Img Sns RG clr displc crrct VL:bck,DRead
Lv.2 Details To correct the color displacement (R and G lines) in vertical scanning
direction due to the Scanner Unit (paper back).
When replacing the Reader Controller PCB/clearing RAM data, enter
the value of service label.
Use case - When replacing the Scanner Unit
- When replacing the Reader Controller PCB/clearing RAM data
Adj/set/operate method 1) Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range -256 to 256
Unit line
Default value 0
8
Service Mode > COPIER > ADJUST > CCD
8 Service Mode > COPIER > ADJUST > CCD
COPIER > ADJUST > CCD
DFCH2R2 Complex chart No.2 data (R) [Front side]
Lv.1 Details To derive the front/back side linearity, set the Red data (for paper
front) 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.
Display/adj/set range 1 to 2550
Default value 2000
DFCH2R10 Complex chart No.10 data(R) [Front side]
Lv.1 Details To derive the front/back side linearity, set the Red data (for paper
front) 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
DFCH2B2 Complex chart No.2 data (B) [Front side]
Lv.1 Details To derive the front/back side linearity, set the Blue data (for paper
front) 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.
Display/adj/set range 1 to 2550
Default value 2000
DFCH2B10 Complex chart No.10 data(B) [Front side]
Lv.1 Details To derive the front/back side linearity, set the Blue data (for paper
front) 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
DFCH2G2 Complex chart No.2 data (G) [Front side]
Lv.1 Details To derive the front/back side linearity, set the Green data (for paper
front) 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.
Display/adj/set range 1 to 2550
Default value 2000
8-77
8-77