Canon BJC6500 - BJC 6500 Color Inkjet Printer Service Manual page 45

BJC-6500
Adjustment procedure:
1) Set the 1.9-mm gap gauge (QY9-0038) in position A.
2) Move the carriage into position C by moving the carriage belt by hand.
3) Install the Black BJ cartridge on the left side of the carriage.
4) Loosen, by half a turn, the fixing screw locking the carriage shaft's left adjustable
bushing, move the paper thickness lever up/down 2 or 3 times, and tighten the
fixing screw.
5) Remove the Black BJ cartridge.
6) Stack the 0.5mm gap gauge (QY9-0001) and the 1.9mm gap gauge (QY9-0038)
together in position B.
7) Set the paper thickness lever to the lowest position (thick paper position).
8) Move the carriage into position D by moving the carriage belt by hand.
9) Install the Black BJ cartridge on the left side of the carriage.
10) Loosen, by half a turn, the fixing screw locking the carriage shaft's right
adjustable bushing, move the paper thickness lever up/down 2 or 3 times, and
tighten the fixing screw.
11) Remove the Black BJ cartridge.
12) Repeat steps 1) to 11) again before continuing to 13).
13) Firmly tighten the right and left fixing screws.
14) Reinstall the right and left shaft clips in place.
Position A
QY9-0038
Black BJ Cartridge
Chassis
Carriage
Position C
Figure 2-17 Head Gap Adjustment 2
2-17
Position B
QY9-0001 QY9-0038
Position D
Part 2: MAINTENANCE