Konica Minolta bizhub C652DS Benutzerhandbuch

bizhub C652/C652DS/C552/C552DS/C452

9-4

The following explains simple troubleshooting procedures. If the problem is not corrected after the described 
operation is performed, contact your service representative.

The machine does not start up 
when the [main power switch] is 
turned on

Is power being supplied from the 
electrical outlet?

Correctly insert the power supply 
plug into the electrical outlet.

Has the [sub power switch] been 
turned on?

Turn on the [sub power switch].

Copying does not start

Is the upper right-side door of 
the machine open?

Securely close the upper right-
side door of the machine.

Is there any paper that matches 
the original?

Load paper of the appropriate 
size into the paper tray.

The printed output is too light

Is the copy density set to [Light]?

Press [Dark] in the Density 
screen to copy at the desired 
copy density. (p. 5-18)

Is the paper damp?

Replace with new paper. (p. 8-3)

The printed output is too dark

Is the copy density set to [Dark]?

Press [Light] in the Density 
screen to copy at the desired 
copy density. (p. 5-18)

Was the original not pressed 
close enough against the original 
glass?

Position the original so that it is 
pressed closely against the orig-
inal glass. (p. 3-5)

The printed image is blurry

Is the paper damp?

Replace with new paper. (p. 8-3)

Was the original not pressed 
close enough against the original 
glass?

Position the original so that it is 
pressed closely against the orig-
inal glass. (p. 3-5)

There are dark specks or spots 
throughout the printed output
There are streaks in the printed 
output

Is the original glass dirty?

Wipe the glass with a soft, dry 
cloth. (p. 8-13)

Is the slit glass dirty?

Clean the slit glass with the slit 
glass cleaner. (p. 8-12)

Is the document pad dirty?

Clean the document pad with a 
soft cloth dampened with a mild 
detergent. (p. 8-14)

Was the original printed on highly 
translucent material, such as dia-
zo photosensitive paper or OHP 
transparencies?

Place a blank sheet of paper on 
top of the original. (p. 3-5)

Is a 2-sided original being cop-
ied?

If a thin 2-sided original is being 
copied, the print on the back side 
may be reproduced on the front 
side of the copy. In the Back-
ground Removal screen, select a 
lighter background density. 
(p. 5-18)

Is the electrostatic charger wire 
dirty?

Use the charger-cleaning tool to 
clean the electrostatic charger. 
(p. 9-12)