Epson Stylus Color C70, Service Manual

Page: 126 / 216

EPSON Stylus COLOR C70/C80 Revision A
Disassembly and Assembly Disassembly 126
Figure 4-61. Encoder Unit Board Removal
4.2.11 PF Roller Unit Removal
1. Remove the Printer Mechanism. (Refer to Sections 4.2.1.6)
2. Remove the Front Paper Guide. (Refer to Section 4.2.7.)
3. Remove the Timing Belt from the Pinion Gear of the PF Motor. (Refer to Steps 4
and 5 of Section 4.2.9.1.)
4. Remove the Timing Belt from the Combination Gear 12x16.
5. Remove the four screws (2) (CBS 3x6 {8±1 kgf.cm}) that are securing the
Encoder Unit Board Assembly, and then remove the Encoder Unit Board
Assembly.
6. Remove the Spacer that is securing the PF Scale Assembly, and then slide the PF
Scale Assembly forward.
Figure 4-62. PF Scale Assembly Moving
7. Remove the PF Grounding Spring.
8. After removing the Bushing at the left side of the PF Roller Unit, turn the PF
Roller Unit forward by about 15, and then move the Shaft to the left by about 5
cm.
When re-installing the Encoder Unit Board, check that the Rotary
Encoder is being clamped correctly by the photo interruptors. If
the Rotary Encoder is rubbing against either wall (emitter or
receiver), it should be re-installed.
Connector
Encoder Unit
Board Assembly
C.B.S 2x5
Rotary Encoder
C A U T I O N Handle the PF Scale Assembly carefully at all times while working
in order to prevent it from becoming broken or otherwise
damaged.
PF Scale Assembly Encoder Unit Board
PF Pinion Gear
Timing Belt
Spacer
Combination Gear
12x16