Canon F-1, Service Manual

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Adjustments > Adjustment Method > Hinge Pressure Adjustment
Adjustments > Adjustment Method > Hinge Pressure Adjustment
White Level Adjustment
1) Set A4 or LTR paper on the copyboard glass and close the DADF.
CAUTION:
If the paper with narrow width is used for white level adjustment, the adjustment may
not be complete properly.
2) Execute the service mode item.
Lv. COPIER > FUNCTION > CCD >
1 DF-WLVL1
3) Remove the paper from the copyboard glass and set it to the original pickup tray of DADF.
4) Execute the service mode item.
Lv. COPIER > FUNCTION > CCD >
1 DF-WLVL2
5) Set the paper to the copyboard glass again and close the DADF.
6) Execute the service mode item.
Lv. COPIER > FUNCTION > CCD >
1 DF-WLVL3
7) Remove the paper from the copyboard glass and set it to the original pickup tray of DADF.
8) Execute the service mode item.
Lv. COPIER > FUNCTION > CCD >
1 DF-WLVL4
T-5-50
T-5-51
T-5-52
T-5-53
Hinge Pressure Adjustment
1) Open the DADF and measure the lowest position where the DADF opens by itself.
2) Check that the height of the position measured in step 1) is within the standard.
Standard: 55 mm to 190 mm (angle: 7.5 degrees to 20 degrees)
3) If it is not within the standard, make the following adjustment.
If it is lower than 55 mm, turn the hex wrench counterclockwise.
If it is higher than 190 mm, turn the hex wrench clockwise.
Note:
Service tool: hex wrench (10 mm)
55 to 190 mm 55 to 190 mm
Hex wrench
F-5-31