EPSON Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450 Revision A
TROUBLESHOOTING Troubleshooting 52
• Operation
•Anywhere
The CIS Assy. does not operate.
Lower Scanner
Housing
1. Check if the grease is enough on the Guide Rail of the
Lower Scanner Housing.
1. After wiping the grease on the Guide Rail of
the Lower Scanner Housing with a dry, soft
cloth, coat it with grease. (Refer to Chapter 6
“MAINTENANCE” (p.116).)
• Operation
•Anywhere
The paper feeding sequence is
performed without loading a paper in the
paper loading sequence.
PE Detector Assy.
1. Check if the PE Sensor Connector Cable is connected to
J9 on the Main Board.
1. Connect the PE Sensor Connector Cable to J9
on the Main Board.
2. Check if the PE Sensor Connector Cable is not damaged. 2. Replace the PE Sensor with a new one.
3. Check if the PE Sensor is not damaged. 3. Replace the PE Sensor with a new one.
• Operation
•Anywhere
The Carriage Unit climbs over the Slider
Lock Lever set to the wiping position
and the Carriage Unit collides to its
lever.
Cap Assy.
(Ink System)
1. Check if the Cap Assy is installed correctly. 1. Install the Cap Assy correctly.
2. Check if the Cap Assy (Ink System) is not damaged. 2. Replace the Ink System with a new one.
Base Frame
1. Check if the Base Frame is deformed. 3. Replace the Printer Mechanism 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
PE Sensor Connector Cable
J9
Cap Assy
Slider Lock Lever
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