EPSON Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450 Revision A
TROUBLESHOOTING Troubleshooting 49
• Power on
•Anywhere
When turning on the power, the CR
Motor does not operate at all.
CR Motor
1. Check if the CR Motor Connector Cable is connected to
J7 on the Main Board.
1. Connect the CR Motor Connector Cable to J7
on the Main Board.
2. Check if the CR Motor Connector Cable is not damaged. 2. Replace the CR Motor with a new one.
3. Check if the CR Motor operates. 3. Replace the CR Motor with a new one.
When turning on the power, the PF
Motor does not operate at all.
PF Motor
1. Check if the PF Motor Connector Cable is connected to
J8 on the Main Board.
1. Connect the PF Motor Connector Cable to J8
on the Main Board.
2. Check if the coil resistance of the PF Motor is about 4.3Ω
by using the tester (refer to Table 3-1)
2. Replace the PF Motor with a new one.
3. Check if the PF Motor Connector Cable is not damaged. 3. Replace the PF Motor with a new one.
4. Check if the PF Motor operates. 4. Replace the PF Motor with a new one.
Table 3-12. Check point for fatal error according to each phenomenon
Occurrence
timing
CR position
Detailed phenomenon
Defective
unit/part name
Check point Remedy
J7
CR Motor
CR Motor
Connector Cable
PF Motor
Connector Cable
J8
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