Canon imageRUNNER ADVANCE C350 series Service Manual page 837

COPIER> ADJUST> CCD
LED2CLG2 Adj sec lgt src LEDSTOP VL(G):clr,600dpi
Lv.1 Details To adjust the lighting time of the green color LED which is a
secondary light source of the Scanner Unit in color mode with 600
dpi.
Use case When replacing the Main Controller PCB/clearing the Reader-related
RAM data
Adj/set/operate method 1) Enter the setting value and press OK key.
2) Turn OFF/ON the main power switch.
Caution When replacing the Scanner Unit, execute COPIER> FUNCTION>
CCD> CL-AGC and write the value of this item in the service label.
Display/adj/set range 0 to 2048
Default value 1469 (iR-ADV C250)/1020 (iR-ADV C350)
Related service mode COPIER> FUNCTION> CCD> CL-AGC
Supplement/memo It is updated automatically when the value of CL-AGC is changed.
The secondary light source exposes light to the light guide at the
right side of CIS (at trailing edge side of original at copyboard
reading).
LED2CLB2 Adj sec lgt src LEDSTOP VL(B):clr,600dpi
Lv.1 Details To adjust the lighting time of the blue color LED which is a secondary
light source of the Scanner Unit in color mode with 600 dpi.
Use case When replacing the Main Controller PCB/clearing the Reader-related
RAM data
Adj/set/operate method 1) Enter the setting value and press OK key.
2) Turn OFF/ON the main power switch.
Caution When replacing the Scanner Unit, execute COPIER> FUNCTION>
CCD> CL-AGC and write the value of this item in the service label.
Display/adj/set range 0 to 2048
Default value 1016 (iR-ADV C250)/714 (iR-ADV C350)
Related service mode COPIER> FUNCTION> CCD> CL-AGC
Supplement/memo It is updated automatically when the value of CL-AGC is changed.
The secondary light source exposes light to the light guide at the
right side of CIS (at trailing edge side of original at copyboard
reading).
8
Service Mode > COPIER > ADJUST > IMG-REG
T-8-17
8 Service Mode > COPIER > ADJUST > IMG-REG
■ IMG-REG
COPIER> ADJUST> IMG-REG
REG-H-Y Adj Y-color write start pstn: horz scan
Lv.1 Details To adjust the write start position of yellow color image in the
horizontal scanning direction in increments of 1 pixel.
Use case When yellow color displacement in the horizontal scanning direction
occurs
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
Caution Do not use this at the normal service.
Display/adj/set range -128 to 127
Unit 1 pixel
Default value 0
REG-H-C Adj C-color write start pstn: horz scan
Lv.1 Details To adjust the write start position of cyan color image in the horizontal
scanning direction in increments of 1 pixel.
Use case When cyan color displacement in the horizontal scanning direction
occurs
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
Caution Do not use this at the normal service.
Display/adj/set range -128 to 127
Unit 1 pixel
Default value 0
REG-H-K Adj Bk-color write start pstn: horz scan
Lv.1 Details To adjust the write start position of black color image in the horizontal
scanning direction in increments of 1 pixel.
Use case When black color displacement in the horizontal scanning direction
occurs
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
Caution Do not use this at the normal service.
Display/adj/set range -128 to 127
Unit 1 pixel
Default value 0
REG-HS-Y Adj Y-color write start pstn: horz scan
Lv.1 Details To adjust the write start position of yellow color image in the
horizontal scanning direction in smaller increments than 1 pixel.
Use case When yellow color displacement in the horizontal scanning direction
occurs (smaller than 1 pixel)
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
Caution Do not use this at the normal service.
Display/adj/set range -128 to 127
Unit 1/32 pixel
Default value 0
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