Epson Stylus Photo R1800 Service Manual page 60

EPSON Stylus Photo R1800/R2400
Observed Faults Details of the Fault
Dot missing and Although inks are ejected
mixed colors from the Print Head to the
Cap, the trouble still occurs
after executing a cleaning
cycle or replacing the Ink
Cartridges.
Troubleshooting
Table 3-13. Print Quality Troubles
Faulty Part/
Part Name
Print Head 1. Run a Nozzle Check, and check the printed pattern if it has
broken lines or missing segments.
2. Check that the Head FFC is securely connected to the
Print Head Connector and Main Board Connectors CN11,
CN12, CN13, and CN14.
3. Check if the Head FFC is not damaged.
Ink System Unit 1. Check if the Cleaner Blade is covered with paper dust or is
Cleaner Blade bent.
Cleaner Blade
Main Board 1. Check the Main Board for damages.
Overview
Check Point
Head FFC
Print Head
Connector
Revision B
Remedy
1. After running a Head Cleaning, check the
Nozzle Check Pattern again.
2. Connect the Head FFC to the Print Head
Connector and Main Board Connectors
CN11, CN12, CN13, and CN14.
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. Replace the Ink System Unit with a new
one.
1. Replace the Main Board with a new one.
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