Printer Mechanism - Epson Stylus PHOTO RX640 Service Manual

EPSON Stylus PHOTO RX640/650

4.2.9 Printer Mechanism

C A U T I O N
Do not remove or install the Printer Mechanism Assy with the
CD-R Guide in the lower position; otherwise, CD-R Guide
Sensor may be damaged. (Fig. 4-30)
Before starting work, be sure to raise the CD-R Guide.
The PF Scale comes in contact with the floor if the Printer
Mechanism Assy is turned counterclockwise by about 15
degrees. In such a case, the PF Scale may be damaged. Take
great care not to damage the PF Scale when handling the
removed Printer Mechanism Assy. (Alternatively,
PF Scale and PF Encoder. (p.61)
Since the back of the CR Frame is lubricated, take care not to
stain your hand with grease when holding the Printer
Mechanism Assy.
(Do not touch any other parts with a greasy hand.)
1. Remove the Panel Assy (p.43)
2. Remove the Scanner Unit (p.45)
3. Remove the Middle Housing (p.48)
4. At the rear of the printer, peel off the tape, and remove the ferrite core for the CR
Motor from the Housing Lower Assy.
5. Remove the screws (x6) securing the Printer Mechanism Assy. (Fig. 4-29)
6. Push the CD-R Guide Lever to raise the CD-R Guide.
7. Remove the Printer Mechanism Assy from the Housing Lower Assy carefully.
Disassembly and Assembly
remove the
)
About
15°
Do not incline it by 15
degrees or more and do not
drag it in an inclined
position.
Removal of Exterior Parts
Lubrication is necessary. Refer to the following section and
lubricate the specified points:
Lubrication of Printer Mechanism Assy (p.81)
Tighten the screws in the specified order. (Fig. 4-29)
A D J U S T M E N T
Once the Printer Mechanism Assy replaced with a new one, refer
R E Q U I R E D
to the following section and perform the necessary adjustments.
5.1.1 Adjustment by Use of Adjustment Program (TBD)
(p.72)
5
2
Figure 4-29. Removing the screws (Printer Mechanism Assy)
OK
(Guide lever in up position)
CD-R Guide Lever
CD-R Guide Sensor
Figure 4-30. CD-R Guide Lever and CD-R Guide Sensor
Revision A
6
4
C.B.P-TITE (P2) 3x8 (x6)
·
Torque : 0.6±0.1N m
3
1
NG
(Guide lever in down position)
The sensor may be damaged if Printer
Mechanism is lifted under these conditions
53