Canon imageRUNNER 2545 Series Service Manual Digest page 61

MTF specified value for K in vertical scanning direction (rear)
This item must not be normally used.
● (#SCAN> READER> ADJUST> PASCAL> OFST-P-K)
Density adjustment at test print scanning
Execute offset adjustment for test print scanning signal in PASCAL control at auto gradation
correction. (full correction)
● (#SCAN> READER> FUNCTION> INSTALL> STRD-POS)
Auto adjustment of CCD/CIS reading position in stream reading
When installing the DF, or removing the ADF and reinstalling it.
● (#SCAN> READER> FUNCTION> CCD> CCD-ADJ)
Gain adjustment of analog processor block.
When installing the DF, or removing the ADF and reinstalling it.
Reflect the LED lamp beam on the standard white plate to correct CCD shading.
Execute this after replacing the CCD unit.
● (#SCAN> READER> FUNCTION> CCD> DF-WLVL1)
4
ADF white level adjustment (platen board cover scan/stream reading scan)
(#SCAN> READER> FUNCTION> CCD> DF-WLVL2)
●
ADF white level adjustment (platen board cover scan/stream reading scan)
1) Place a paper that users normally use on the copyboard glass and execute the following
item;
SCAN > READER > FUNCTION > CCD > DFWLVL1/ DF-WLVL2
: Read the white level in BOOK mode. (Check the transparency of the glass for BOOK mode.)
2) Set a paper that users normally use and execute the following item;
SCAN > READER > FUNCTION > CCD > DFWLVL1/ DF-WLVL2
: Read the white level in DF mode (stream reading). (Check the transparency of the glass for
stream reading.)
(Read the both sides of chart.)
Reading the face: Calculate DFTAR-R
Note:
Be sure to execute these two items (DF-WLVL1/DF-WLVL2) simultaneously.
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● (#SCAN> READER> FUNCTION> CCD> MTF-CLC)
Calculating the MTF filter count to be set in ASICS based on the MTF value
Set the following item; SCAN>READER>ADJUST>CCD>CCD-CHN (new item) when
replacing the CCD.
● (#SCAN> READER> FUNCTION> CCD> DF-WLVL3)
ADF white level adjustment (platen board cover scan)
MEMO:
Scan a blank sheet on the platen and adjust the white level.
● (#SCAN> READER> FUNCTION> CCD> DF-WLVL4)
ADF white level adjustment. (DF scan)
MEMO:
Scan a blank sheet in stream reading mode and adjust the white. level.
(#SCAN> READER> FUNCTION> CLEAR> R-CON)
●
Clearing of the backup area for the reader in the main controller.
Clear the backup area for the reader in the main controller.
● (#SCAN> READER> FUNCTION> MISC-R> SCANLAMP)
The test checks to see if the scanning lamp is on or not.
Execute the when replacing the scanning lamp.
● (#SCAN> READER> OPTION> BODY> SENS-CNF)
Setting of the document detection sensor placement.
The setting of document detection size is selected in accordance with the document sensor
placement.
0: AB type
1: Inch type
● (#SCAN> READER> OPTION> BODY> MODELSZ2)
Setting of global support for document size detection while the copyboard cover use.
This item is used when supporting individual users (mixed stacking of AB/Inch type
documents). Turn ON/OFF the global support for document size detection while the