Canon imageRUNNER 5065 series Service Manual page 518

Chapter 17
Sub-item Description
Use it to adjust the image read start position.
- If you have initialized the RAM on the reader controller PCB or replaced the PCB, enter the value indicated on the service label.
- If you have changed the setting of this item, record the new setting on the service label.
ADJ-X Use it to adjust the image read start position (X direction).
adjustment range: 1 to 100 (default: 26)
ADJ-Y Use it to adjust the image read start position (Y direction).
adjustment range: 200 to 500 (default: 352)
ADJ-Y-DF Use it to adjust the main scanning position for feeder mode.
adjustment range: 100 to 400 (default: 248)
STRD_POS Use it to adjust the CCD read position for DF stream reading mode.
adjustment range: 1 to 200 (default: 100)
ADJ-X-MG Fine adjustment of magnification in sub scanning direction at copyboard reading
adjustment range: -50 to 50 (default: 0)(unit: 0.01%)
ADJ-Y-DF2 Adjustment of the position on the backside in main scanning direction at simultaneous double-sided reading
adjustment range: 21 to 106 (default: 76)
<CCD>
Sub-item Description
SH-TRGT Use it to enter the white level target value for shading correction.
adjustment range: 1 to 2047 (default: 1136)
DFTAR-G Use it to adjust the shading target value for green for DF mode.
adjustment range: 1 to 2047 (default: 1189)
MTF-M1 Setting value of front/back matching MTF in main scanning direction (front).
adjustment range: 20 to 80 (default: 50)
MTF-M2 Setting value of front/back matching MTF in main scanning direction (center).
adjustment range: 20 to 80 (default: 50)
MTF-M3 Setting value of front/back matching MTF in main scanning direction (back).
adjustment range: 20 to 80 (default: 50)
MTF-S1 Setting value of front/back matching MTF in sub scanning direction.
adjustment range: 20 to 80 (default: 50)
DFCH2G2 Setting of linearity characteristic data value of No. 2 data (Green) of DF composite chart for CCD.
adjustment range: 1 to 2550 (default: 2000)
DFCH2G10 Setting of linearity characteristic data value of No. 10 data (Green) of DF composite chart for CCD.
adjustment range: 0 to 2550 (default: 0)
DFCH-G10 Setting of linearity characteristic data value of No. 10 data (Green) of DF composite chart for CIS.
adjustment range: 0 to 2550 (default: 0)
DFCH-G2 Setting of linearity characteristic data value of No. 2 data (Green) of DF composite chart for CIS.
adjustment range: 1 to 2550 (default: 2000)
<LASER>
Sub-item Description
PVE-OFST Use it to adjust the laser write start position.
adjustment range: -300 to 300
POWER Use it to adjust the laser power (for non-potential control).
adjustment range: 0 to 255
<DEVELOP>
Sub-item Description
Use it to adjust the developing bias (for non-potential control).
BIAS
adjustment range: 0 to 600 (default: 180)
Use it to enter an offset value for the high-voltage unit.
HVT-DE
adjustment range: -100 to 100 (default: 0)
Use it to enter the offset value for the high-voltage D/A output for the DC controller PCB.
D-HV-DE
adjustment range: -50 to 50 (default: 0)
Use it to adjust the toner supply distribution (axial direction) for the developing assembly.
TSPLY-ADJ
adjustment range: 1 to 5 (default: 3)
<DENS>
Sub-item Description
DENS-ADJ Use it to adjust the density of images (copier/printer).
Use it to correct the F-value table in the event of fading in a high-density area or fogging in an image.
adjustment range: 1 to 9 (default: 5)
- to decrease fading, increase the value.
- to decrease fogging, decrease the value.
If you have initialized the RAM on the DC controller PCB, enter the value indicated on the service label.
<BLANK>
17-22
T-17-17
COPIER > ADJUST > ADJ-XY
T-17-18
COPIER > ADJUST > CCD
T-17-19
COPIER > ADJUST > LASER
T-17-20
COPIER > ADJUST > DEVELOP
T-17-21
COPIER > ADJUST > DENS
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