Epson Stylus Color 760, Service Manual

Page: 117 / 172

EPSON Stylus COLOR 760 Revision C
Adjustment Adjustment 117
4. For the reconfirmation, push the “B” and “C” position of the Gear 76
to the Left Frame side. The Gear 76 should be pushed to the Left
frame side about 3mm. And make sure that Gear 76 returns to the
normal position 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 Gear 76 dose not return to the normal
position. The backlash value is too narrow.
- The “B” or “C” portion of the Gear 76 returns to the normal position
without any tarrying sounds. The backlash value is too wide.
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 76 and the pinion gear of the PF
motor by using Micro scoop. Refer to the Figure 5-8.
8. If the backlash value is over 0.1mm or 0 mm, perform the step 5 and
Step 7.
Figure 5-8. Check the backlash value
C H E C K
P O I N T
n
After complete this adjustment, make sure the loop
scale dose not have any damge.
n
The suitable backlash value is as follows.
Over 0mm to less than 0.1mm
Gear 76
PF Pinion Gear
0.1mm