364 Troubleshooting
Random Spots/Blurred Images
NOTE:
• If the problem continues even though you have taken suggested actions described above, contact our local
representative office or authorized dealer.
The Entire Output Is Blank
If this trouble happens, contact our local representative office or authorized dealer.
Problem Action
The printed result has random
spots or is blurred.
Ensure that the toner cartridge is installed correctly.
See also:
• "Installing a Toner Cartridge" on page 402
If you use a non-genuine brand toner cartridge, install a genuine
brand toner cartridge.
Clean up the fusing unit.
1 Load one sheet of paper in the paper tray, and then print a solid
image all over paper.
2 Load the printed sheet with the print surface facing down, and then
print a blank sheet of paper.
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