Epson Stylus NX510 Service Manual page 84

Epson Stylus NX510/515/SX510W/515W/TX550W/NX415/SX410/415/TX410/419/NX215/SX210/215/TX210/213/219/ME OFFICE 510
Print Quality State Detailed phenomenon
Ink is ejected to the Cap from the
• White streak /
Printhead, but printing is not done at all
after cleaning or ink change, or
abnormal discharge
abnormal discharge occurs.
TROUBLESHOOTING
Table 3-24. Check point for the defective printing quality
Defective
unit/part name
1. Check if the Head FFC is connected to the connector on
the Main Board Unit shown below.
NX510 series:
SX410 series:
SX210 series:
Printhead
Head FFC
Connector
SX410 series
CN5
CN6
2. Check if the Head FFC is not damaged.
1. Check if it returns to normal by performing CL operation
Printhead
or replacing the Ink Cartridge.
Main Board Unit 1. Check if the Main Board is not damaged.
Error Indications and Fault Occurrence Causes
Check point
CN11, CN12, CN13
CN5, CN6, CN7
CN5, CN6
Head
NX510 series
FFC
CN11
CN12
CN13
Head
SX210 series
FFC
Head
FFC
CN5
CN6
CN7
Revision A
Remedy
1. Connect the Head FFC to the Printhead and the
Main Board Connectors.
2. Replace the Head FFC with a new one.
1. Perform CL operation and the Ink Cartridge
replacement specified times. If it doesn't work,
change the Printhead with a new one.
1. Replace the Main Board Unit with a new one.
Confidential
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