Problems On Print Quality - Konica Minolta bizhub 4050 User Manual

4.3 Cannot print
4.3.2

Problems on print quality

Description of problem
No data is printed.
Printed in jet black.
A print is faint.
A print is dark.
[Maintenance/Troubleshooting]
Cause
A Toner Cartridge is
damaged.
The Imaging Unit is
damaged.
Paper is damp.
The paper setting of the
printer driver does not
match the paper that is
actually loaded on this
machine.
The power supply does
not match the specifica-
tion of this machine.
Multiple sheets are fed
out simultaneously.
Paper is not correctly
loaded into the paper
tray.
A Toner Cartridge is
damaged.
The Imaging Unit is
damaged.
The laser lens is dirty.
Paper is damp.
Toner is running out in
the Toner Cartridge.
A Toner Cartridge is
damaged.
The Imaging Unit is
damaged.
The correct paper type is
not specified.
A Toner Cartridge is
damaged.
The Imaging Unit is
damaged.
The original does not
stick fast to the Original
Glass.
The specified copy den-
sity is too high.
Remedy
Remove the Toner Cartridge, then check it for
damage. If the Toner Cartridge is damaged, re-
place it.
Remove Imaging Unit, then check them for
damage. If necessary, replace Imaging Unit.
Adjust the humidity of the paper storage place.
Remove the damp paper, then replace it with
new dry paper.
Load the correct paper in this machine.
Use the power supply that matches the specifi-
cation.
Remove paper from the paper tray, then check it
for static electricity. Flip through the paper, then
return it into the paper tray.
Remove paper, align its edges, return it into the
paper tray, then adjust the paper guide.
Remove the Toner Cartridge, then check it for
damage. If the Toner Cartridge is damaged, re-
place it.
Remove Imaging Unit, then check them for
damage. If necessary, replace Imaging Unit.
Clean the laser lens.
Remove the damp paper, then replace it with
new dry paper.
Replace the Toner Cartridge.
Remove the Toner Cartridge, then check it for
damage. If the Toner Cartridge is damaged, re-
place it.
Remove Imaging Unit, then check them for
damage. If necessary, replace Imaging Unit.
When printing on thick paper, envelope, label
sheet, glossy paper, single side only paper, spe-
cial paper, or letterhead, specify the paper type
using the printer driver.
Remove the Toner Cartridge, then check it for
damage. If the Toner Cartridge is damaged, re-
place it.
Remove Imaging Unit, then check them for
damage. If necessary, replace Imaging Unit.
Position the original so that it is pressed closely
against the Original Glass.
Set the copy density to a lower level.
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