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Troubleshooting
5-5
Print Quality Problems
If this happens
Try this
Pages have toner streaks
Clean the printer as described in Chapter 4.
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.
- Contact your authorized Service Technician (Note 1)
Paper is streaked, spotted,
or smudged (Note 2)
• The inside of the printer is dirty.
- Clean the inside of the Printer
• Print density is too high.
- Contact your authorized Service Technician (Note 1)
• Change of paper settings.
- Print a Cross Pattern test print to remove dirt.
• The Drum may be damaged.
- Replace the drum. (Note 2)
Voids or vertical voids
• Moisture content is too high.
- Replace with newly unwrapped paper.
• Paper does not meet specification.
• Creased or wrinkled paper is loaded in the tray.
- Removed damaged paper or replace with newly unwrapped paper.
• Print density is too high.
- Contact your authorized Service Technician (Note 1)
• There may be condensation inside the printer.
- Turn on the printer power and leave it for 30-60 minutes, then start
printing.
• The drum unit may be damaged.
- Replace the drum unit.
The tip or back end of paper
is dirty
• Clean the NIP Guide and the TR Guide.
See “Cleaning the Conveyance
Belt Area” on page 4-28.
• Clean the Finisher Exit Roller.
Part of solid printing is
scraped or scratched
• Print Density is too high
- Contact your authorized Service Technician (Note 1)
Printing is too dark
• Print Density is too high
- Contact your authorized Service Technician (Note 1)
• Print Density is too high after initial power up.
- Contact your authorized Service Technician (Note 1)
Note 1: Print Density Adjustment is a Service Menu item and requires an Authorized Service Technician.
Note 2
:
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.
Summary of Contents for DDP70E-92
Page 46: ...3 10 Paper Handling 3 Push down the paper tray 4 Set the paper onto the tray...
Page 56: ...3 20 Paper Handling...
Page 88: ...4 32 Care and Maintenance...
Page 112: ...A 2 Safety Information...
Page 124: ...B 4 Printer Specifications...
Page 144: ...C 20 Paper Specifications...