Canon imageRUNNER ADVANCE C5500 Series Service Manual page 960

COPIER > OPTION > IMG-RDR
DF2DSTL2 1
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Default Value
Supplement/Memo
■ IMG-MCON
COPIER > OPTION > IMG-MCON
PASCAL 1
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Default Value
SCR-SLCT 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Default Value
Additional Functions
Mode
Adj dust detect level: 1st stream, back
To adjust dust detection level with dust detection correction control that is executed by the Scanner
Unit (for back side) at the first stream reading after power-on.
Decrease the value in the case of frequent display of cleaning instruction at the time of dust
detection. As the value is smaller, dust is less likely to be detected. When 0 is set, the cleaning
instruction is not displayed.
Increase the value when black lines appear. As the value is larger, the small dust is more likely to
be detected.
Upon user's request
1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
If the value is too small, black lines may appear on the image.
0 to 255
0: OFF
200
Black lines may appear on the image if there is dust. With the dust detection correction control that
is executed after power-on, reading position is adjusted to minimize dust to be detected.
Set of auto gradation adjustment data
To set the gradation adjustment data that is used at image formation.
When 0 is set, the initial LUT is used.
When 1 is set, the gradation adjustment data gamma LUT that is generated by auto gradation
adjustment (full/quick adjustment) control is used.
When PASCAL-related failure occurs/when identifying the cause of PASCAL-related failure
1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
0 to 3
0: Initial LUT, 1: Auto gradation adjustment data, 2 to 3: Not used
1
Halftone process in Photo Printout mode
To set halftone process (error diffusion, screen 2 types) in Photo Printout mode when making a
copy.
Change the setting if the copy image has a problem with the initial setting (Low screen ruling).
Select 0 (error diffusion) in the case of moire (suitable for character reproduction).
Select 2 (High screen ruling) in the case of rough dots.
When moire image or rough dots occurs on copy image
1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
0 to 2
0: Error diffusion, 1: Low screen ruling, 2: High screen ruling
1
Function Settings> Copy> Photo Printout mode
946
8. Service Mode