Pf Encoder / Pf Scale; Pf Motor - Epson Stylus PhotoR280 Service Manual

EPSON Stylus Photo R280/R285/R290

4.4.10 PF Encoder / PF Scale

Take extra care not to contaminate or scratch the PF Scale. Never
touch the scale with bare hands.
Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit
Removal procedure
1. Disconnect the FFC of the PF Encoder from CN1 connector.
2. Remove the screw and remove the PF Encoder.
• Screw : C.B.P. M2.6x8 (tightening torque: 3.5-4.5 kgf.cm)
3. Peel off the double-sided tape attached to the center part, and remove the PF
Scale.
PF Scale Double-sided tape
Figure 4-80. Removing the PF Encoder/PF Scale
When installing the PF Encoder, make sure the PF Encoder fits
firmly against the Front Paper Guide.
Chapter 4 Disassembly/Assembly
(No.5)
FFC
Front Paper Guide
CN1
PF Encoder
4.4.10 PF Encoder / PF Scale (Disassembling the Printer Mechanism)

4.4.11 PF Motor

Be careful not to damage the Pinion Gear of the PF Motor.
Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy /
Cover Open Sensor / Printer Mechanism / PF Encoder / PF Scale
Removal procedure
1. Release the PF Motor Cable from the hook of the ASF Unit.
2. Remove the two screws that secure the PF Motor.
• Screw : C.P. M3x6 (tightening torque: 3-5 kgf.cm)
(The numbers shown in the figure indicate the order of tightening the screws.)
3. Slide the PF Motor to pull it out through the cutout and remove the PF Motor.
PF Motor Cable
ASF Unit Hook
Figure 4-81. Removing the PF Motor
Whenever the PF Motor is replaced, the required adjustments
must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.99)
Revision B
(No.7)
PF Motor
1
2
83