Service manual

EPSON Stylus Photo R280/R285/R290 Revision B
Chapter 4 Disassembly/Assembly 4.4.15 Upper Paper Guide (Disassembling the Printer Mechanism) 90
4.4.15 Upper Paper Guide
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 / Ink System / ASF Unit
Removal procedure
1. Remove the three springs from the rear side, disengage the three hooks and
remove the Upper Paper Guide from the Main Frame.
Figure 4-103. Removing the Upper Paper Guide (1)
2.
Remove the Upper paper Guide pressing part to lower the tip of the PE
Sensor Lever.
Figure 4-104. Removing the Upper Paper Guide
! Lubrication is required. See the page given below for the
lubrication information.
Lubrication of ASF Unit (p.118)
! When installing the ASF Unit, make sure that the Combination
Gear, tip of the Change Lever and the two hooks are securely
attached. Also make sure that there is appropriate space at
both the left and right of the Change Lever.
! Tighten the screws in the order given in Fig.4-100 (p.89).
! Install the LD Roller following the procedure below. Make
sure to apply grease referring to the page given below.
Lubrication of the ASF Unit (p.118)
1. Install the LD Roller aligning the arrow on the LD Roller with
the arrow on the blade of the shaft. Make sure the LD Roller is
securely attached without gap or misalignment.
Figure 4-102. Reinstalling the LD Roller
A D J U S T M E N T
R E Q U I R E D
Whenever the ASF Unit is removed or replaced, the required
adjustments must be carried out.
Refer to "5.1.2 Required Adjustments" (p.99)
ASF Unit
Align the arrows
Blade
LD Roller Shaft
LD Roller
C A U T I O N
! Be sure to follow the procedure below to remove the Upper
Paper Guide to avoid damaging the PE Sensor Lever.
! It is recommended to place a transparent sheet between the
Upper and Front Paper Guides to avoid scratching the roller.
! Do not touch the roller surface with bare hands as it can
adversely affect the print quality.
Spring
Hook
[Rear Side]
Upper Paper Guide
Removal Direction
Press
Tip
PE Sensor Lever