Epson Stylus COLOR 880 Service Manual page 123

EPSON Stylus COLOR 880
1) Fasten the PF motor fixing screw and the No.5 screw securing the PF
motor with 3.5kg± 0.5kgfcm torque once again.
Do not secure the PF fixing screw and the No.5 screw with
over securing torque. In case the securing torque is over
3.5kg± 0.5kgfcm, the PF motor may be broken or paper feed
accuracy is lowered.
Figure 5-5. PF motor fixing screw & No.1 Screw
2) Loosen the No.5 screw securing the PF motor a little and engaged the
teethes of the PF motor pinion gear carefully to the teethes of the Gear 57.
3) Push the following figured "A" point on the Gear 57 to the Left frame side.
The Gear 57 should be pushed to the Left frame side about 3mm. In case
the "A" portion returns to the normal position with the jarring sounds, the
Adjustment
PF fixing
No.5
backlash value will be around the Standard (0.1mm)
But, the following condition is confirmed, the backlash value will not be
suitable.
- The "A" portion of the G ear 57 dose not return to the norm al position. The
backlash value is too narrow .
- The "A" portion of the G ear 57 returns to the norm al position w ithout any
jarring sounds. The backlash value is too w ide.
Gear 57
Figure 5-6. Pushing the Gear 57 to the Left side frame side
When you push the above red circled point by hand, push
the Gear 57 on the Loop scale carefully.
For the another method, turn over the loop scale carefully
around the red circled point and push the Gear 57 directly.
4) For the reconfirmation, push the "B" and "C" position of the Gear 57 to the
Left Frame side. The Gear 57 should be pushed to the Left frame side
about 3mm. And make sure that Gear 57 returns to the normal position
Adjustment
Revision A
Note: Before you start the
adjustment, make sure to
remove this gear first.
Pinion Gear
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