Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest page 514

COPIER> FUNCTION> CCD
MTF-CLC Deriving of MTF filter coefficient
Lv.1 Details To derive the MTF filter coefficient to be set for ASIC based on the
MTF value of the DADF complex chart.
Use case When replacing the Reader Controller PCB/clearing RAM data
Display/adj/set range During operation: ACTIVE, When operation finished normally: OK!
Related service mode COPIER> ADJUST> CCD> MTF-M1 to M12, MTF-S1 to S12,
MTF2-M1 to M12, MTF2-S1 to S12
Supplement/memo The scanning data of the DADF complex chart is indicated in the
label of the Scanner Unit (DADF/Reader).
DF-WLVL3 White level adj in book mode (B&W)
Lv.1 Details To adjust the white level for copyboard scanning automatically by
setting the paper which is usually used by the user on the Copyboard
Glass.
Use case • When replacing the Copyboard Glass
• When replacing the Scanner Unit
• When replacing the Reader Controller PCB/clearing RAM data
Adj/set/operate method 1) Set paper on the Copyboard Glass.
2) Select the item, and then press OK key.
Caution Be sure to execute DF-WLVL4 in a row.
Display/adj/set range During operation: ACTIVE, When operation finished normally: OK!
Related service mode COPIER> ADJUST> CCD> DFTBK-BW
DF-WLVL4 White level adj in DADF mode (B&W)
Lv.1 Details To adjust the white level for DADF scanning automatically by setting
the paper which is usually used by the user on the DADF.
Use case • When replacing the Copyboard Glass
• When replacing the Scanner Unit
• When replacing the Reader Controller PCB/clearing RAM data
5
Adj/set/operate method 1) Set paper on the DADF.
2) Select the item, and then press OK key.
Caution Be sure to execute this item after DF-WLVL3.
Display/adj/set range During operation: ACTIVE, When operation finished normally: OK!
Related service mode COPIER> ADJUST> CCD> DFTAR-R, DFTAR-G, DFTAR-B,
DFTAR2-R, DFTAR2-G, DFTAR2-B, DFTBK-BW
BW-TGT Set of B&W shading target value
Lv.1 Details After the white level data (X/Y/Z) for the Standard White Plate is set,
read the Standard White Plate and set the black and white shading
target value.
Use case When replacing the Copyboard Glass/Scanner Unit
Caution Be sure to execute this item after execution of COPIER> ADJUST>
CCD>W-PLT-X, W-PLT-Y, W-PLT-Z.
Display/adj/set range 1 to 2047
Related service mode COPIER> ADJUST> CCD> W-PLT-X, W-PLT-Y, W-PLT-Z
5-286
■ LASER
LD-ADJ-Y
Lv.2 Details
Use case
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
Required time
LD-ADJ-M
Lv.2 Details
Use case
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
Required time
LD-ADJ-C
Lv.2 Details
Use case
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
Required time
T-5-47
COPIER> FUNCTION> LASER
Restore Y Skew Crrct Motor initial pstn
When Y-color skew volume in vertical scanning direction is larger
than estimation, the Skew Correction Motor (Y) is locked, and color
displacement cannot be corrected even when color displacement
correction control is executed. This item places the Skew Correction
Motor (Y) to the center position in such cases.
When replacing the Laser Scanner Unit to identify the failure position
During operation: ACTIVE, When operation finished normally: OK!
10 seconds
Restore M Skew Crrct Motor initial pstn
When M-color skew volume in vertical scanning direction is larger
than estimation, the Skew Correction Motor (M) is locked, and color
displacement cannot be corrected even when color displacement
correction control is executed. This item places the Skew Correction
Motor (M) to the center position in such cases.
When replacing the Laser Scanner Unit to identify the failure position
During operation: ACTIVE, When operation finished normally: OK!
10 seconds
Restore C Skew Crrct Motor initial pstn
When C-color skew volume in vertical scanning direction is larger
than estimation, the Skew Correction Motor (C) is locked, and color
displacement cannot be corrected even when color displacement
correction control is executed. This item places the Skew Correction
Motor (C) to the center position in such cases.
When replacing the Laser Scanner Unit to identify the failure position
During operation: ACTIVE, When operation finished normally: OK!
10 seconds
T-5-48