Canon BJC6500 Service Manual - Page 44

Head Gap Adjustment 1, 4.6 How to adjust the head gap

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Part 2: MAINTENANCE BJC-6500 2.4.6 How to adjust the head gap Preparation: 1) Reassemble to the level the top cover is to be put on next. 2) Raise both the right and left adjustable bushings supporting the carriage shaft as shown by arrow 1, and temporarily fix the bushings in that position using the fixing screws. 3) Remove the right and left shaft clips from the carriage shaft. 4) Set the paper thickness selector to the lowest position (thick paper position) Ensure that the gap gauges are clean and not deformed. Also ensure that CAUTION the platen is clean. Adjustable Bushing Supporting the Carriage Shaft (right) 1 Adjustable Bushing Supporting the Carriage Shaft (left) Fixing Screw (red) Carriage Belt Lever Fixing Screw (red) Shaft Clip Black BJ Cartridge Paper Thickness Normal Paper Position Thick Paper Position Figure 2-16 Head Gap Adjustment 1 2-16

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2.4.6 How to adjust the head gap
Preparation:
1) Reassemble to the level the top cover is to be put on next.
2) Raise both the right and left adjustable bushings supporting the carriage shaft as
shown by arrow 1, and temporarily fix the bushings in that position using the
fixing screws.
3) Remove the right and left shaft clips from the carriage shaft.
4) Set the paper thickness selector to the lowest position (thick paper position)
Ensure that the gap gauges are clean and not deformed.
Also ensure that
the platen is clean.
Part 2: MAINTENANCE
BJC-6500
2-16
CAUTION
Figure 2-16 Head Gap Adjustment 1
Carriage Belt
Black BJ Cartridge
1
Fixing Screw
(red)
Shaft Clip
Fixing Screw
(red)
Adjustable Bushing
Supporting
the Carriage Shaft (left)
Paper Thickness
Lever
Adjustable Bushing
Supporting the Carriage
Shaft (right)
Thick Paper Position
Normal Paper Position