![](/images/new-backgrounds/1272585/272585361x1.webp)
CAUTION
To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.
Troubleshooting and routine maintenance
o Turn the drum unit over by holding the green handles. Make sure that the drum unit gears (1) are on the left hand side.
C
1
p See the print sample to identify the color causing the problem. The color of the spots or toner stain is the color of the drum you should clean. For example, if the spots are cyan, you should clean the drum for cyan. Put the print sample in front of the drum, and the find the exact position of the poor print.