Service manual

EPSON Stylus Photo R340/350 Revision A
Disassembly and Assembly Disassembly 78
2.3.20 Removing the Carriage Unit
 Illustration (1)
Figure 2-68. Removing the Carriage Unit (1)
 Parts/Components must be removed to remove the Carriage Unit.
Paper Support Assy., Left Housing, Right Housing,
Panel Board Assy. (Panel Board and LCD Module), Upper Housing,
Rear Housing, Main Board Assy., ASF Assy., Shaft Assy. Holder,
Printer Mechanism, APG Assy., Print Head
 Disassembly Procedure
1. Release the tab ( ) of the Main Frame that secures the CR Shaft Left Fixed
Spring and remove the spring.
2. Remove the six screws ( ) that secure the CR Guide Plate.
3. Release the CR Guide Plate from the two ribs ( ), and remove it avoiding a
contact with the tab ( ) that was securing the CR Shaft Left Fixed Spring.
4. Release the right edge of the CR Scale from the tab ( ) of the Right Scale
Holder.
5. Pull out the CR Scale leftward from behind the printer, and remove the CR
Scale and the Extension Spring 3.289 from the tabs ( ) of the Left Scale
Holder in that order.
6. Remove the Extension Spring 3.289 from the CR Scale.
7. Press the Driven Pulley rightward to reduce the tension of the Timing Belt,
and remove the Timing Belt from the pinion gear of the CR Motor and the
Driven Pulley in that order.
CR Guide Plate
Carriage Unit
CR Shaft
Left Fixed
Spring
Hooked tab
Rib
C.B.S 3x6
(7-9kgf.cm)
6
3
2
C.B.S 3x6
(7-9kgf.cm)
1
4
5
Rib
Left Scale
Holder
Hooked Tab
Driven Pulley
Hooked Tab
Extension
Spring 3.289
Pinion Gear
Timing Belt
Right Scale Holder
Hooked
Tab
CR Scale