Chapter 1 Troubleshooting; Troubleshooting; Troubleshooting By Error Message - Epson Stylus Photo R340 Service Manual

EPSON Stylus Photo R340/350

1.3 Troubleshooting

Be sure to first check the messages displayed on the LCD or the STM3 screen on a connected computer to identify the cause of the problem quickly. Then troubleshoot the problem
following the instructions given in the tables in this section. When any components to be repaired or replaced are found, see Chapter 2 "Disassembly/Reassembly" to correctly
reinstall or replace the components.

1.3.1 Troubleshooting by Error Message

Occurrence
Timing Symptoms
CR Position
• Occurrence
The printer does not start up at all by
Timing:
turning the power On.
At power-on
• CR Position:
Anywhere
Troubleshooting
Table 1-4. Troubleshooting of Communication Errors based on Observed Symptom
Failed Part
Panel Board/ 1. Check if the Panel FFC is correctly connected to CN1 on
Panel FFC the Panel Board and CN6 on the Main Board.
2. Check if the Panel FFC is damaged.
3. Check if the Panel Board is damaged.
Troubleshooting
Check Point
CN1 Panel Board
Panel FFC
CN6
Main Board
Revision A
Remedies
1. Correctly connect the Panel FFC to CN1 on
the Panel Board and CN6 on the Main Board.
2. Replace the Panel FFC with a new one.
3. Replace the Panel Board with a new one.
13