Cr Unit - Epson Stylus PhotoR280 Service Manual

EPSON Stylus Photo R280/R285/R290

4.4.13 CR Unit

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 / APG Unit
Removal procedure
Before turning the Parallelism Bushing L, mark the scale position
of the Parallelism Bushing with a marker. And taking extra care
not to damage the Gear with the rib, pull it toward the front.
1. Remove the Cable Holder Frame and Front Frame.
2. Disengage the upper end of the Spring (1) from the slit, and remove the
Spring (1).
3. Loosen the screw ( ), and turn the Parallelism Bushing L clockwise to the
maximum.
Spring (1)
Parallelism Bushing L
Figure 4-88. Removing the CR Unit (1)
Chapter 4 Disassembly/Assembly
(p.81)
[Left Side]
Slit
4.4.13 CR Unit (Disassembling the Printer Mechanism)
4. Disengage the end of the Spring (2) from the hook, and the other end from the
slit of the CR shaft, and remove the Spring (2).
5. Remove the washer by expanding the gap between the washer and the Right
PG Cam using a pair of Tweezers, and remove the Right PG Cam.
CR Shaft
Washer
Removal Direction
Figure 4-89. Removing the CR unit (2)
If the Print Head has not been removed, be extremely careful not
to touch the nozzle surface of the Print Head.
6. Hold the CR Unit from the bottom and lift up the CR Shaft, release from the
bushing in the (1) (2) order, and remove the CR Unit with the Shaft from the
Main Frame.
1
Bushing
Figure 4-90. Removing the CR Unit (3)
Revision B
Spring (2)
[Right Side]
Right PG Cam Hook
CR Unit
CR Shaft
2
Bushing
86