Checking the print cartridge
Image-formation defects are frequently the result of problems in the print cartridge.
Use the following checklist to make sure that the print cartridge still works.
❑
Make sure that the cartridge sealing tape has been removed.
❑
Make sure that the print cartridge is seated correctly.
❑
Check the print cartridge to see if it has been disassembled or refilled.
❑
Inspect the print cartridge to see if toner is leaking through worn seals.
❑
Check the surface of the photosensitive drum in the cartridge to see if it has been damaged or
scratched. Touching the drum contaminates the photosensitive surface and can cause spotting
and image defects.
❑
Blurred areas on printed pages indicate that the photosensitive drum in the cartridge has been
overexposed to light. Because overexposure to light causes permanent damage to the
photosensitive drum, the cartridge should be replaced.
If the errors persist, replace the print cartridge before further troubleshooting the image defects.
To redistribute the toner in the print cartridge
Before installing a new print cartridge or when the toner begins to run low, gently rock the print cartridge
back and forth to redistribute the toner.
Identify and correct print defects
Use the checklist and print-quality issues charts in this section to solve print-quality problems.
Print-quality checklist
General print-quality problems can be solved by using the following checklist:
1. Make sure that the paper or print media that you are using meets specifications. Generally,
smoother paper provides better results.
2. If you are using a special print media such as labels, transparencies, glossy paper, or letterhead,
ensure that you have configured the product to printed by the correct type.
3. Try printing from a different program. If the page prints correctly, the problem is with the program
from which you were printing.
4. Restart the computer and the product and try printing again.
General print-quality issues
The following examples depict letter-size paper that has passed through the product short-edge-first.
These examples illustrate problems that would affect all of the pages that you print. The topics that follow
list the typical cause and solution for each of these examples.
170 Chapter 7 Solve problems ENWW
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