Operation Manual

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BEFORE USING THE MACHINEMAINTENANCE
CLEANING THE PT CHARGER OF THE PRIMARY
TRANSFER BELT
If black lines or colored lines appear even after you have cleaned the document glass, automatic document feeder and
main charger, use the PT charger cleaner to clean the PT charger.
1
Open the front cover.
When a finisher (large stacker) or saddle stitch finisher (large stacker) is installed on the MX-5050N/MX-5070N/
MX-6050N/MX-6070N, open the front cover on the finisher (large stacker), or the front upper cover on the saddle stitch
finisher (large stacker), before opening the front cover of the machine.
2
Remove the waste toner box.
Press the release buttons on the sides of the waste toner
box inward and pull out slowly.
3
Clean the PT charger.
(1) Withdraw the PT charger slowly until you
feel resistance.
(2) Gently push the PT charger cleaner all the
way in.
(3) Repeat (1) and (2) above three times.
4
Push the waste toner box into the
machine.
Push in until you hear a "click" sound indicating that the left
and right locks are engaged.