72
5 Troubleshooting
Partial blanks, creased paper
or blotted printing
The paper is damp. Replace the paper.
Refer to
• “3.1 About Paper” (P. 36)
The paper is outside the recommended specification range. Replace the paper with a
recommend size and type.
Refer to
• “3.1 About Paper” (P. 36)
The transfer roll cartridge or fuser unit is not installed correctly. Reinstall the transfer roll
cartridge and/or fuser unit. For information about replacing of the fuser unit, contact our
Customer Support Center or your dealers.
Refer to
• “Replacing the Transfer Roll Cartridge” (P. 84)
Condensation inside the printer causes partial blanks or creased paper. Turn the printer
on and leave it one hour at least to get rid of the condensation. If the problems still
occur, contact our Customer Support Center or your dealers for assistance.
Vertical blanks
The drum cartridge is not installed correctly. Reinstall the drum cartridge.
Refer to
• “Replacing the Drum Cartridge” (P. 81)
The drum cartridge, transfer roll cartridge, or fuser unit is old or damaged. Check the
condition of the drum cartridge, transfer roll cartridge and fuser unit, and replace as
necessary. For information about replacing of the fuser unit, contact our Customer
Support Center or your dealers.
Refer to
• “Replacing the Drum Cartridge” (P. 81)
• “Replacing the Transfer Roll Cartridge” (P. 84)
Slanted printing
The paper guides in the paper tray or bypass tray are not set correctly. Reset the paper
guides in the paper tray or bypass tray.
Refer to
• “3.2 Loading Paper” (P. 40)
White spots appear on the
printed image
Toner spilled out around the
printed image
The printed image is bluish
The paper is outside the recommended specification range. Replace the paper with a
recommended size and type, and confirm that your print driver settings are correct.
Refer to
• “3.1 About Paper” (P. 36)
The transfer voltage setting is not proper. Adjust the transfer voltage on the control
panel.
Refer to
• “6.8 Adjusting the Transfer Voltage” (P. 101)
Printed image or texts wear off
quickly
Double printing at 80 mm
intervals
The fuser temperature is not correct. Adjust the fuser temperature on the control panel.
Refer to
• “6.9 Adjusting the Fuser Temperature” (P. 102)
Symptom
Reason/Action
