EPSON Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450 Revision A
DISASSEMBLY/ASSEMBLY Disassembling Printer Mechanism 80
4.6.4 CR Motor
Part/Unit that should be removed before removing CR Motor
Document Cover / ASF Cover / Support Arm / Scanner Unit / Middle Case /
Panel Unit / Printer Mechanism / CR Scale
Removal Procedure
1. Disconnect the Head FFCs (CN1,CN2) from the Main Board, and release the
CR Motor connector cable from the tabs (x5) on the Main Frame.
2. Disconnect the CR Motor Connector Cable (J7) from the Main Board.
Figure 4-43. Disconnecting CR Motor Connector Cable
3. Loosen the tension of the Timing Belt by pressing the Driven Pulley Holder in
the direction of the arrow as shown in the figure, and release the Timing Belt
from the pinion gear of the CR Motor.
4. Remove the screws (x2), and remove the CR Motor from the Main Frame.
Figure 4-44. Releasing Timing Belt and Removing CR Motor
C A U T I O N
After releasing the Timing Belt, temporarily secure the belt to the
Cartridge Cover with a tape or the like so as not to allow the grease
to come in contact with the Timing Belt. Contaminating the belt
with grease can result in malfunction of the printer.
Tabs
CR Motor Connector Cable
Main Board
CR Motor
Head FFCs
A D J U S T M E N T
R E Q U I R E D
After replacing the CR Motor, perform the following adjustment
(T.B.D.). (Refer to Chapter 5 “ ADJUSTMENT (p100)”)
1. “First Dot Adjustment”
2. “Head Angular Adjustment”
3. “Bi-D Adjustment”
4. “CR Heat Protection Control” (only after replacement)
Main Frame
Driven Pulley Holder
Timing Belt
CR Motor
Pinion Gear
Timing Belt
C.B.S 3X6 (Torque: 6±1Kgf.cm)
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