Epson Stylus Photo R390 - PF Encoder; PF Scale; PF Motor

EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B
Disassembly/Assembly Disassembly of the Printer Mechanism 102
4.5.10 PF Encoder / PF Scale / PF Motor
 Parts/Components need to be removed in advance
All exterior parts/ All control boards / Middle Housing / Printer Mechanism
 Removal procedure
 Removing the PF Encoder/PF Scale
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.
Figure 4-135. Removing the PF Encoder/PF Scale
 When installing the Front Frame, screw it after securing the foot
of the two EJ Frame Springs to the slits as shown in the figure.
Carefully handle the EJ Frame as the springs come off easily.
Figure 4-133. Reinstalling the Front Frame (2)
 Screw the Cable Holder Frame in the order given in Fig.4-128.
 Screw the Front Frame in the order given in Fig.4-129.
 Routing of the APG and PE Sensor Cables.
Figure 4-134. Acetate Tape Position
 Route the CR Motor/PE Sensor cables on the rear of the
printer referring to the page below.
Figure 4-123 "Removing the CR Motor (2)" (p.99)
 Route the PF Motor/PF Encoder and CR Motor cables on the
left side of the printer referring to the page below.
“Routing of the PF Motor cables” (p.103)
Left EJ Frame Spring Right EJ Frame Spring
7
0
m
m
2
0
m
m
1
2
Tape (2): 70mm away from
Tape (1).
(Tape length 25 mm)
PE Sensor Cable
APG Sensor
Tape (1): 20mm away from
hook of APG Sensor. (Tape
length 25 mm)
C A U T I O N
 Take extra care to avoid injury from sharp metal edges. Before
starting, see the page given below to check the dangerous edges.
• “4.1.8 Sharp Metal Edges (Danger!)” (p.62)
 Take extra care not to contaminate or scratch the PF Scale.
Never touch the scale with bare hands.
C H E C K
P O I N T
Refer to the Orientation Definition below for the directions
indicated in the following procedures.
•“4.1.6 Orientation Definition (p.61)”
CN1
PF Scale
Double-sided tape
FFC
PF Encoder