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Chapter 4 Troubleshooting
4-3
Faint or blurred printing Check the EcoPrint setting.
When this setting is On, switch it to Off on the operator panel. (See
Setting the Print Quality on page 3-30.)
Check the operator panel.
• If the Toner low TK-70 message is displayed and the
! ATTENTION indicator is flashing, install a new toner kit. See Toner
Container Replacement on page 6-1.
• Set the print density from the operator panel to a higher level than the
current setting. See Adjusting the Print Density on page 3-31.
• Make sure the paper type setting is correct. See Paper Type on
page 5-5.
Clean the charger wire.
Open the printer front cover. Pull the cleaning knob slowly in and out a
few times. See Toner Container Replacement on page 6-1.
Grey background.
Refresh drum.
See the following procedures in the operator panel and try cleaning the
drum surface using the printer's built-in cleaning system.
1. Press the
MENU
key, and then press the 3 or 4 key to display >Others.
2. Press the 2 key , and then press the 3 or 4 key to display >Service >.
3. Press the 2 key, and then press the 3 or 4 key to display >>Drum.
And then press the
ENTER
key twice.
4. The message display shows Please wait, and then the drum starts
turning and stops after approx.3 minutes. The printer reverts to Ready.
Check the operator panel.
If the Toner low TK-70 message is displayed and the ATTENTION
indicator is flashing, install a new toner kit. See Toner Container
Replacement on page 6-1.
Check the print density.
Display the print density menu from the operator panel and select a
lighter density setting. See Adjusting the Print Density on page 3-31.
Clean the charger wire.
Open the printer front cover. Pull the cleaning knob slowly in and out a
few times. See Toner Container Replacement on page 6-1.
Check the charger unit installation.
Open the printer front cover and check that the main charger unit is
correctly installed and seated as far as it will go. See Toner Container
Replacement on page 6-1.
Dirt on the top edge or back of the paper Check the paper chute and the ramp.
Open the printer left cover and check for toner on the paper ramp. Clean
the paper ramp using a soft, dry, lint-free cloth. See Toner Container
Replacement on page 6-1.
Check the transfer roller.
Open the printer left cover 1 and
check the transfer roller.
If the transfer roller is dirty with toner,
try printing several pages.
Characters out of position. Check the file or program.
Check whether the problem is being caused by a PRESCRIBE
command error. If the problem occurs only with a specific file or program,
the most likely cause is an error in a parameter to a command or
command syntax.
Printed Results Corrective Action
Transfer Roller