L1800 Revision A
Troubleshooting Overview 27
Confidential
Horizontal or vertical
banding / Getting
smeared
Although inks are ejected from
the Print Head to the Cap, the
trouble still occurs after
executing a cleaning cycle.
Head FFC 1. Check that the Head FFC is securely connected to the Print Head
connectors.
1. Connect the Head FFC to the CR Relay Board
connectors CN1 and CN2.
2. Connect the Head FFC to the Print Head
connectors.
2. Check the Head FFC for damages. 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.
Print Head 1. Check if the print quality recovers after running a cleaning. 1. Run the cleaning several times. If the trouble
still occurs, replace the Print Head with a new
one.
Main Board 1. Check the Main Board for damages. 1. Replace the Main Board with a new one.
Table 2-8. Print Quality Troubles
Observed Faults Details of the Fault
Faulty Part/
Part Name
Check Point Remedy
Print Head
Connector
Head FFC