Epson L1800 Service Manual page 32

L1800
Observed Faults Details of the Fault
Horizontal or vertical Although inks are ejected from
banding / Getting the Print Head to the Cap, the
smeared trouble still occurs after
executing a cleaning cycle.
Troubleshooting
Table 2-8. Print Quality Troubles
Faulty Part/
Part Name
Head FFC 1. Check that the Head FFC is securely connected to the Print Head
connectors.
2. Check the Head FFC for damages.
Print Head 1. Check if the print quality recovers after running a cleaning.
Main Board 1. Check the Main Board for damages.
Overview
Check Point
Head FFC
Print Head
Connector
Revision A
Remedy
1. Connect the Head FFC to the CR Relay Board
connectors CN1 and CN2.
2. Connect the Head FFC to the Print Head
connectors.
3. Replace the Head FFC with a new one. If the
trouble still occurs after replacing it, replace the
Print Head with a new one.
1. Run the cleaning several times. If the trouble
still occurs, replace the Print Head with a new
one.
1. Replace the Main Board with a new one.
Confidential
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