Service manual

Part 5: Maintenance
BJC-4300
5.3.2 Adiustment
1)
2)
31
4)
5)
6)
7)
8)
9)
Set the paper thickness lever to the right and place the gap gauge at position B.
Move the carriage to position B.
Set the paper thickness lever to the left.
Loosen screw A until the carriage guide frame moves forward under the carriage’s
own weight with screw B as a pivot.
Lightly push the screw A end of the carriage guide frame once or twice and check
that the carriage guide frame moves around screw B as shown by the arrows
figure 5-8
If it does not return to the original position, screw B is too tight. And if the screw
B end moves as well, then the screw B is too loose. Refasten the carriage guide
frame lightly again and repeat the procedure from step 1).
Lightly tighten screw A.
Put the paper thickness lever to the right and move the carriage to position A.
Then place the gap gauge at position C.
Move the carriage to position C.
Put the paper thickness lever to the left.
Screw A
Paper Thickness
ight, Adjustment Lever
Position B
Position C
Figure 5-7 Head Gap Adjustment (1)
5-8
Guide