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Troubleshooting
4-4
Faint or blurred printing Check the operation panel.
• If the Toner low (C/M/Y/K) message is displayed and the
[Attention] indicator is flashing, install a new toner kit. Refer to Toner
Container Replacement on page 3-8.
• Make sure the paper type setting is correct.
Clean the developing unit.
Perform the following procedures on the operation panel and try cleaning
the developing unit using the printer’s built-in cleaning system.
1Press [Menu], and then press S or T to display Others >.
2Press X, and then press S or T to display >Service >.
3Press X, and then press S or T to display >>DEV-CLN. And then
press [OK] twice.
4 The message display shows Please wait (Calibrating), and
cleaning will be conducted for about 5 minutes. The printer reverts to
Ready when cleaning is finished.
Gray background Refresh drum.
Refer to the following procedures on the operation panel and try cleaning
the drum surface using the printer’s built-in cleaning system.
1Press [Menu], and then press S or T to display Others >.
2Press X, and then press S or T to display >Service >.
3Press X, and then press S or T to display >>Drum. And then press
[OK] twice.
4 The message display shows Please wait, and then the drum starts
turning and stops after approx. 100 seconds. The printer reverts to
Ready.
Check the operation panel.
If the Toner low (C/M/Y/K) message is displayed and the [Attention]
indicator is flashing, install a new toner kit. Refer to Toner Container
Replacement on page 3-8.
Perform color calibration.
Perform color calibration either by switching the printer off then on or using
the printer operation panel. For full details, refer to the Using the Operation
Panel section in the Advanced Operation Guide.
Printed Results Corrective Action