Epson DFX-9000 Repair Manual page 7

Epson DFX-9000 Field Repair Guide
Troubleshooting Based on Symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
No Control Panel LED's light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Multiple Control Panel LED's lit and do not extinguish . . . . . . . . . . . . .132
No initialization, Control Panel LED's are lit . . . . . . . . . . . . . . . . . . . . . .133
No initialization unless I/O Cable removed . . . . . . . . . . . . . . . . . . . . . . .133
No print (No Self-Test and No Printing from Host Computer) . . . . . . . .133
Self Test OK, no print from Host Computer . . . . . . . . . . . . . . . . . . . . . .134
Self Test prints correctly, but not correctly from Host Computer . . . . .134
Prints incorrectly, even during Self Test . . . . . . . . . . . . . . . . . . . . . . . . .134
Some dots missing or extra dots printed . . . . . . . . . . . . . . . . . . . . . . . .135
Incorrect horizontal character spacing . . . . . . . . . . . . . . . . . . . . . . . . . .135
Smudges on paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Light Print/Characters have uneven upper or lower edges . . . . . . . . . .136
Missing portions of the print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Ribbon Jam Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
No Paper Feed from either paper path . . . . . . . . . . . . . . . . . . . . . . . . . . .138
Intermittent Paper Feed from either paper path . . . . . . . . . . . . . . . . . . .138
Paper path does not switch properly . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
Paper Load Position (TOF) is incorrect . . . . . . . . . . . . . . . . . . . . . . . . . .139
No paper unload when Front Paper Path used . . . . . . . . . . . . . . . . . . . .139
No paper unload when Rear Paper Path used . . . . . . . . . . . . . . . . . . . .140
Paper not loaded or ejected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Line spacing is too narrow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Paper skew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Paper Jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Paper paths switch just before printing starts . . . . . . . . . . . . . . . . . . . .141
Control Panel LED's lit improperly, printer functions correctly . . . . . .142
One or more Control Panel buttons inoperable . . . . . . . . . . . . . . . . . . .142
Print Head Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Printer Component, Software Item, LCD Display, Printer Button
3/29/07
Page iii.