EPSON Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450 Revision A
TROUBLESHOOTING Troubleshooting 45
• Operation
•Outside HP
Paper is being resent during paper
feeding operation.
ASF Unit
1. Check if the Extension Spring Retard operates correctly
in the paper loading sequence.
1. Set the Extension Spring Retard between the
Retard Roller Unit and the ASF Frame.
When turning on the power, the Carriage
Unit move to the home position
correctly. But, the paper feeding
sequence is performed without loading
paper in the paper loading sequence.
Paper Guide Upper
Unit*
1. Check if the Torsion Spring 0.22 is properly installed. 1. Set the Torsion Spring 0.22 between the
Holder Shaft and the PE Sensor Lever.
• Operation
•–
The leading edge of paper does not go
through between the EJ Roller Unit and
the Star Wheel.
EJ Frame Assy**
1. Check if the EJ Frame Assy is correctly assembled. 1. Reassemble the EJ Frame Assy correctly.
* The Carriage Unit can move to home position even if the Torsion Spring 0.22 comes off. However, the PE Sensor Lever keeps the high signal condition in the next operation. Therefore, the paper
jam error is detected.
** In case that the paper jam error occurs in each operation, the jammed paper contacts the nozzle surface of the Print Head and the Print Head may be damaged.
Table 3-11. Check point for paper jam error according to each phenomenon
Occurrence
timing
CR position
Detailed phenomenon
Defective
unit/part name
Check point Remedy
Extension Spring Retard
Back side of ASF Unit
EJ Frame Assy
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