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Table 5-12. Print Quality Anomalies (Continued)
Symptom Possible Cause Part Name Check Item Remedy
Toner smudges on
the back side of the
sheet.
Improper
charging
PWB-F —
Replace the PWB-F
board.
Poor
development
PWB-F —
Replace the PWB-F
board.
Improper fusing Fusing unit —
Replace the fusing
unit.
Offset print
Improper fusing Fusing unit —
Replace the fusing
unit.
White spots
Poor image
transfer
Image transfer
unit
—
Replace the image
transfer unit.
PWB-F —
Replace the PWB-F
board.
Troubleshooting EPL-5500W Service Manual
5-10 Rev. A