EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C
TROUBLESHOOTING Error Indications and Fault Occurrence Causes 70
Confidential
• Power on
• Anywhere
The eject rollers are rotating at high speed
when power is turned on. (For about 1
cycle.)
PF Scale/PF
Encoder Sensor
1. Check if the PF Scale is not damaged or contaminated. 1. Replace the PF Scale with a new one.
2. Check if the PF Encoder Sensor is not damaged. 2. Replace the PF Encoder Sensor with a new one.
• Operation
• Anywhere
The Scanner Carriage Unit does not
operate.
Lower Scanner
Housing
1. Check if the grease is applied enough on the surface of
the Guide Rail of the Lower Scanner Housing.
1. Apply the grease on the surface of the Guide
Rail of the Lower Scanner Housing after wiping
the old grease with a dry, soft cloth. (Refer to
Chapter 6 “MAINTENANCE” (p.151))
2. Check if the Scanner Carriage Unit is set correctly. 2. Reassemble the Scanner Carriage Unit.
A paper feeding sequence failed to feed
the paper, but a paper ejection sequence is
performed.
ASF Unit
1. Check if the PE Sensor Connector Cable is connected to
CN24 on the Main Board.
1. Connect the PE Sensor Connector Cable to
CN24 on the Main Board.
2. Check if the PE Sensor Connector Cable is not damaged. 2. Replace the ASF Unit with a new one.
3. Check if the PE Sensor is not damaged. 3. Replace the ASF Unit with a new one.
Table 3-5. Check point for Fatal error according to each phenomenon
Occurrence
timing
CR position
Detailed phenomenon
Defective
unit/part name
Check point Remedy
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