Epson Stylus COLOR 880 Service Manual page 124

EPSON Stylus COLOR 880
smoothly with the jarring sounds.
But, the following condition is confirmed, the backlash value will not be
suitable.
- The "B " or "C " portion of the G ear 57 dose not return to the norm al position.
The backlash value is too narrow .
- The "B " or "C " portion of the G ear 57 returns to the norm al position w ithout
any tarrying sounds. The backlash value is too w ide.
5) If the backlash value is too narrow, move the PF motor to front side of the
printer a little by pulling the PF motor.
If the backlash value is too wide, move the PF motor to the rear side
of the printer a little by pushing the PF motor.
6) Repeat the above step 3 to 5 until the backlash value is adjusted around
the suitable value.
7) In case the above adjustment procedural is completed, check the backlash
value between the Gear 57 and the pinion gear of the PF motor by using
Micro scoop. Refer to the Figure 5-7.
8) If the backlash value is over 0.1mm or 0 mm, perform the step 5 and Step
7.
After complete this adjustment, make sure the loop
scale dose not have any damge.
The suitable backlash value is as follows.
Over 0mm to less than 0.1mm
Adjustment
Figure 5-7. Check the backlash value
Adjustment
Revision A
Gear 57
PF Pinion
Note: Before you
start the adjustment,
make sure to remove
this gear first.
124