EPSON Stylus Photo R800 Revision A
TROUBLESHOOTING Overview 60
At power-on At power-on, the Carriage
Unit moves away from the
home position and collides
with the left of the Frame.
CR Scale 1. Check that the CR Scale is inserted in the slit of the CR
Encoder Sensor.
1. Insert the CR Scale into the slit of the CR
Encoder Sensor.
2. Check the CR Scale for damage and contamination. 2. Wipe contamination completely or
change the CR Scale for a new one.
CR Encoder
Sensor
1. Check the CR Encoder Sensor for paper dust, etc. 1. Remove the paper dust, etc. from the CR
Encoder Sensor.
2. Check the CR Encoder Sensor for damage. 2. Change the CR Encoder Sensor Cable
for a new one.
At power-on, the PF Roller
rotates fast about a half turn.
PF Encoder
Sensor
1. Check that the PF Encoder Sensor is mounted correctly. 1. Install the PF Encoder Sensor correctly.
2. Check that the FFC of the PF Encoder Sensor is securely
connected to the PF Encoder Sensor Connector and Relay
Board Connector (CN9).
2. Connect the PF Encoder Sensor FFC to
the PF Encoder Sensor and Relay Board
Connectors.
3. Check the PF Encoder Sensor for paper dust, etc. 3. Remove the paper dust, etc. from the PF
Encoder Sensor.
4. Check the PF Encoder Sensor for damage. 4. Change the PF Encoder Sensor Cable for
a new one.
Table 3-14. Phenomenon-Based Fatal Error Check Points
Occurrence
Timing
Phenomenon Detail
Faulty Part/
Part Name
Check Point Remedy
CR Scale
CR Encoder
Sensor
Relay Board Connector
PF Encoder Sensor
Connector
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