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CHAPTER 6 TROUBLESHOOTING
6-13
Image Defect Samples Recommendation
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Toner specks
• Make sure that you use paper that meets the specifications. A
rough surfaced paper may cause the problem. See “What Kind of
Paper can I Use?” in Chapter 1.
• The drum unit may be damaged. Install a new drum unit. See
"Replacing the Drum Unit" in Chapter 5.
Hollow print
• Make sure that you use paper that meets the specifications. See
“What Kind of Paper can I Use?” in Chapter 1.
• Select the ‘Thick paper mode’ in the printer driver, or use thinner
paper than you are currently using.
• Check the printer’s environment because conditions such as high
humidity may cause this situation to occur.
All black
• Clean the primary corona wire of the drum unit. See "Cleaning"
in Chapter 5.
• The drum unit may be damaged. Install a new drum unit. See
"Replacing the Drum Unit" in Chapter 5.