Canon imageRUNNER ADVANCE C3325 Series Service Manual page 671

■ CCD
COPIER>FUNCTION>CCD
DF-WLVL1 White level adj in book mode: color
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/Scanner Unit
- When clearing the RAM data of the Reader Unit
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-WLVL2 in a row.
Display/adj/set range During operation: ACTIVE, When operation finished normally: OK!
Related service mode COPIER> FUNCTION> CCD> DF-WLVL2
COPIER> ADJUST> CCD> DFTAR-R, DFTAR-G, DFTAR-B
DF-WLVL2 White level adj in DADF mode: color
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/Scanner Unit
- When clearing the RAM data of the Reader Unit
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-WLVL1.
Display/adj/set range During operation: ACTIVE, When operation finished normally: OK!
Related service mode COPIER> FUNCTION> CCD> DF-WLVL1
COPIER> ADJUST> CCD> DFTAR-R, DFTAR-G, DFTAR-B
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.
The MTF value is backed up in the Scanner Unit. Since it is peculiar
to the Scanner Unit, there is no need to make an entry/a change.
Use case - When replacing the Scanner Unit
- When clearing the RAM data of the Reader Unit
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range During operation: ACTIVE, When operation finished normally: OK!
8
Service Mode > COPIER > FUNCTION > CST
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8 Service Mode > COPIER > FUNCTION > CST
■ CST
COPIER>FUNCTION>CST
MF-MAX Reg MP Tray max width standard value
Lv.1 Details To register the standard value of the maximum width on the Multi-
purpose Tray.
Make a fine adjustment by COPIER> ADJUST> CST-ADJ> MF-MAX.
Adj/set/operate method 1) Align the guide of the Multi-purpose Tray with the maximum width.
2) Select the item, and then press OK key.
The value is registered after automatic adjustment.
Caution After execution, check the registered value by COPIER> ADJUST>
CST-ADJ> MF-MAX, and write it down on the service label.
Display/adj/set range 0 to 255
Related service mode COPIER> ADJUST> CST-ADJ> MF-MAX
COPIER> FUNCTION> CST> MF-MIN
MF-MIN Reg MP Tray min width standard value
Lv.1 Details To register the standard value of the minimum width on the Multi-
purpose Tray.
Make a fine adjustment by COPIER> ADJUST> CST-ADJ> MF-MIN.
Adj/set/operate method 1) Align the guide of the Multi-purpose Tray with the minimum width.
2) Select the item, and then press OK key.
The value is registered after automatic adjustment.
Caution After execution, check the registered value by COPIER> ADJUST>
CST-ADJ> MF-MIN, and write it down on the service label.
Display/adj/set range 0 to 255
Related service mode COPIER> ADJUST> CST-ADJ> MF-MIN
COPIER> FUNCTION> CST> MF-MAX
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