Canon MultiPASS C755 Service Manual - Page 62

When the Head Gap Needs Adjustment, Head Gap Adjustment 1

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MultiPASS C755 Chapter 3: Maintenance & Service 3.5 When the Head Gap Needs Adjustment If the screws fixing the head gap adjustment plate attached to the printer frame become loose, it will be necessary to adjust the head gap. Preparing for adjustment 1) Remove the printer unit from the main unit. 2) Remove the paper selctor lever spring and left/right shaft clips, and attach to the main unit. 3) Rotate the red screws for fixing both sides of the printer chassis by half a turn to loosen them from their fixed position. 4) Move the paper selctor lever to the thick paper position (lower position). Make sure that the gap gauge is not deformed and no foreign matter is attached to the gap gauge or the platen before performing the adjustment. Carriage Belt Head Gap Adjustment Board (Left) Fixing Screw (Red) Fixing Screw (Red) Head Gap Adjustment Shaft Clip Board (Right) Paper Selector Lever Black BJ Cartridge Paper Selector Lever Plain Paper Position Thick Paper Position Paper Selector Lever Spring Figure 3-8 Head Gap Adjustment 1 3-11

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3-11
MultiPASS C755
Chapter 3: Maintenance & Service
3.5 When the Head Gap Needs Adjustment
If the screws fixing the head gap adjustment plate attached to the printer frame become loose, it will be
necessary to adjust the head gap.
Preparing for adjustment
1) Remove the printer unit from the main unit.
2) Remove the paper selctor lever spring and left/right shaft clips, and attach to the main unit.
3) Rotate the red screws for fixing both sides of the printer chassis by half a turn to loosen them from their
fixed position.
4) Move the paper selctor lever to the thick paper position (lower position).
Make sure that the gap gauge is not deformed and no foreign matter is attached to the gap
gauge or the platen before performing the adjustment.
Figure 3-8 Head Gap Adjustment 1
Fixing Screw
(Red)
Head Gap Adjustment
Board (Left)
Paper Selector Lever
Plain Paper Position
Carriage Belt
Paper Selector Lever Spring
Thick Paper Position
Fixing Screw
(Red)
Head Gap
Adjustment
Board (Right)
Shaft Clip
Black BJ Cartridge
Paper Selector Lever