Epson Stylus Photo 1390 Service Manual page 63

EPSON Stylus Photo 1390/1400/1410
Observed Faults Details of the Fault
Dot missing and Although inks are ejected from
mixed colors the Print Head to the Cap, the
trouble still occurs after
executing a cleaning cycle or
replacing the Ink Cartridges.
TROUBLESHOOTING
Table 3-12. 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 CN10, CN11, and CN12.
CN10, 11, 12
3. Check the Head FFC for damages.
Ink System Unit 1. Check if the Cleaner Blade is covered with paper dust or is bent. 1. Replace the Ink System Unit with a new one.
Cleaner Blade
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 CN10,
CN11, and CN12.
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 Main Board with a new one.
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