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t 5: Maintenance
BJC-4300
5.1 Adjustment Point
Only the head gap between the BJ cartrldge�s head face and platen needs to be adjusted (to approximately 1.2 mm) to ensure optimum print quality. This adjustment is done by moving the carriage guide frame forward or back.
Carriage Guide Frame /?==\\k
Figure 5-5 Head Gap Adjustment
To adjust the head gap, move the paper thickness lever to the left (for plain paper printing with a black BJ cartridge] and set the head gap to approximately 1.2 mm. The head gap differs depending on the position of the paper thickness 1W.X.
a
NOTE
5.2 When Adjustment is Required
If the carriage guide frame fastened to the printer frame is repositioned, the head gap must be adjusted. The screws are painted red to prevent them from being loosened.
5.2.1 Tools required for adjustment TABLE 5-l TOOLS REQUIRED FOR HEAD GAP ADJUSTMENT
Tool Gap gauge 1.2 mm (QYS-0016-000) Black BJ cartridge Use For adjusting the head gap use as a too1 Note: Do not use the user�s black E!J cartridge
