Service manual

EPSON Stylus Photo R340/350 Revision A
Disassembly and Assembly Disassembly 66
2.3.12 Removing the CR Motor
 Illustration
Figure 2-50. Removing the CR Motor
 Parts/Components must be removed to remove the CR Motor.
Paper Support Assy., Left Housing, Right Housing,
Panel Board Assy. (Panel Board and LCD Module), Upper Housing,
Main Board Assy.
 Disassembly Procedure
1. Press the Driven Pulley in the direction of the arrow to reduce the tension of
the Timing Belt, and remove the Timing Belt from the pinion gear of the CR
Motor.
2. Cut the cable tie and release the CR Motor Connector Cable.
3. Remove the two screws that secure the CR Motor and remove it.
Driven Pulley
Timing Belt
CR Motor
C.C 3x4 (3.5-4.5kgf.cm)
1 2
Cable Tie
CR Motor
Connector Cable
Right Rear Side of the Printer
C A U T I O N
When performing the next step, be careful not to damage the pinion
gear of the CR Motor.
 Reinstall the CR Motor so that the lot number printed side faces
upward.
 Tighten the screws to secure the CR Motor in the order shown
in Figure 2-50.
 Make sure that there is no gap between the CR Motor and the
Main Frame.
 Tie the following connector cables with a cable tie.
z CR Motor (route the cable as shown in Figure 2-50.)
z PF Motor
z PG Motor
z Tray/CD-R Sensor
z Power Supply Board
 After tying the cables, cut the cable tie leaving a 20 mm-length
margin.
A D J U S T M E N T
R E Q U I R E D
 Whenever the CR Motor is reinstalled or replaced, be sure to
perform the required adjustments in the order given below.
(See Chapter 3 for details on the adjustments)
1. First Dot adjustment
2. PW Sensor adjustment
3. Head Angle adjustment
4. Bi-D Adjustment
5. Offset Input for CR Motor Calorific Limitation (only when
the motor is replaced)