Troubleshooting
5-5
OG
L
0 0
Print Quality Problems
If this happens
Try this
Page is wrinkled or printed
characters are blurred
• Paper does not meet specification.
- See
“Media Guidelines” on page C-1
• Moisture content is too high.
- Replace with newly unwrapped paper.
• The side guide is not adjusted properly.
- Adjust to proper size.
• OCP setting does not match loaded paper.
- Load the correct size paper
• Print density is too high.
- Adjust print density. See
“Print Density Adjustment” on page 6-64
Paper is streaked, spotted,
or smudged
• The inside of the printer is dirty.
- See
“Cleaning the Inside of the Printer” on page 6-43
• Print density is too high.
- See
“Print Density Adjustment” on page 6-64
• Change of paper settings.
- Print a Cross Pattern test print to remove dirt.
• The Drum may be damaged.
- Replace the drum.
Notes:
This is an electric printing device and slight dots or smudges are
unavoidable.
A paper jam may cause staining of the fuser unit. Print several pages to
remove the stain. Cleaning or replacement of the fuser unit is required in
some cases.
Print density of color toner
decreases. Fusing of color
toner is poor. Printing is too
light.
• Moisture content of paper is high.
- Replace with newly unwrapped paper.
• OCP setting does not match loaded paper.
- Load the correct size paper.
• Print density is too low.
- Adjust print density. See
“Print Density Adjustment” on page 6-64
• Heat Roller Temperature is too low.
-Adjust temperature. See
“Heat Roller Temperature Adjustment” on
page 6-65
• Print density gradually decreased by low density continuous printing.
- Print a Halftone Pattern of several hundred pages to increase print
density. Repeat until print density is recovered.
• The developer may be damaged.
- Replace the developer unit.