Epson LQ-1070 - Default Chapter; Adjusting the Printer Mechanism; MOTOR, CR Backlash Adjustment

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4.1 ADJUSTING THE PRINTER MECHANISM
This section describes the various adjustments you may need to make to the PRINTER MECHANISM. I
4.1.1 MOTOR, CR Backlash Adjustment
In the MOTOR, CR backlash adjustment, the pinion gear of the MOTOR, CR is meshed
the BELT PULLEY cog. If the pinion gear is poorly aligned, printer operation becomes
accuracy of character alignment during printing suffers.
1.
2.
3.
smoothly with
noisy, and the
Remove the MOTOR, CR, along with the FRAME
ASSY., CR, MOTOR, from the PRINTER MECHANISM
(see Section 3.2.5.1).
Loosen the two CBS(0) (M3X 6) screws that hold the MOTOR, CR to the FRAME
ASSY., CR, MOTOR.
Check the alignment of the MOTOR, CR pinion gear with the BELT PULLEY cog. Move the MOTOR,
CR until you judge that there is a gap of about 0.05
-0.15 mm between the two. Tighten the two
CBS(0) (M3 X 6) screws.
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Figure 4-1. MOTOR, CR Backlash Adjustment
4-1