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EPSON Stylus Photo R340/350
Occurrence
Timing
Symptoms
CR Position
• Occurrence
The Carriage Unit hits against the Upper
Timing:
Paper Guide which has come off the
At power-on
Main Frame at power-on.
• CR Position:
---
The Carriage Unit hits against the right
side of the Main Frame at power-on.
Troubleshooting
Table 1-6. Troubleshooting of Fatal Errors based on Observed Symptom (continued)
Failed Part
Upper Paper Guide 1. Check if the Upper Paper Guide has not come off the
CR Scale
1. Check if the CR Scale gets dirt.
2. Check if the CR Scale is damaged.
3. Check if the CR Scale has come off or it properly runs
Troubleshooting
Check Point
Main Frame.
Upper Paper Guide
through the slit of the CR Encoder Sensor.
CR Scale
CR Encoder
Sensor
Carriage Unit
Revision A
Remedies
1. Install the Upper Paper Guide correctly.
1. Wipe off the dirt completely or replace the
CR Scale with a new one if it is stained badly.
2. Replace the CR Scale with a new one.
3. Install the CR Scale correctly.
* If the above does not solve the problem, try
the following actions one by one in the
order given.
1. Replace the Main Board Assy. with a new
one.
2. Replace the CR Encoder Sensor with a
new one.
17

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