Epson L1800 Service Manual page 27

L1800
Occurrence
Phenomenon Detail
Timing
At power-on At power-on, the PF Roller
rotates fast about a half turn.
During printing After receiving a print data, an
error is displayed on the LED
and STM3.
Troubleshooting
Table 2-7. Troubleshooting of Fatal Error
Faulty Part/
Part Name
PF Scale 1. Check that the PF Scale is inserted in the slit of the PF Encoder
Sensor.
2. Check the PF Scale for damages and dirt.
Head FFC 1. Check that the Head FFC and the Sensor FFC are securely
Sensor FFC connected to the Main Board connectors CN9, CN12, CN13,
and CN14.
Overview
Check Point
PF Scale
Slit
CN9, CN12, CN13, CN14
Revision A
Remedy
1. Install the PF Scale in the slit of the PF
Encoder Sensor correctly.
2. Replace the PF Scale with a new one.
1. Connect the Head FFC and the Sensor FFC to
the Main Board connectors CN9, CN12,
CN13, and CN14.
Confidential
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