Oki MC770 MC770/780 User Guide - Troubleshooting - Page 70

Clean the LED heads, Turn OFF power to the machine.

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Maintenance 2 Open the feed roller cover by pressing the projection. 1 Memo • When the front part of the multi-purpose tray is up, put it down before opening the cover. Feed roller cover 2 3 Remove the feed roller by rolling them towards. Clean the LED heads Clean the LED heads if white streaks appear or fading occurs when printing, or when characters become smudged. 1 Turn OFF power to the machine.  For a detailed explanation, see "Turning Power Off" in the Setup Guide. 2 Hold the Document holder lever and lift the Document holder. Document holder Document holder lever 3 4 Wipe the feed roller with a wet, wringed 4 cloth. 5 Set the feed roller and confirm that the roller are fixed. 5 3 Push the top cover button down to open the top cover. Caution There is a risk of getting burned. Do not touch the fuser unit. It can be extremely hot. Top cover 6 Close the feed roller cover. 6 7 Fold the paper support and close the multipurpose tray. Top cover button 7 - 70 -

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Maintenance
- 70 -
2
1
3
4
5
6
7
2
Open the feed roller cover by pressing the
projection.
Memo
•
When the front part of the multi-purpose tray is up, put
it down before opening the cover.
3
Remove the feed roller by rolling them
towards.
4
Wipe the feed roller with a wet, wringed
cloth.
5
Set the feed roller and confirm that the
roller are fixed.
6
Close the feed roller cover.
7
Fold the paper support and close the multi-
purpose tray.
Clean the LED heads
Clean the LED heads if white streaks appear or fading occurs
when printing, or when
characters become smudged.
1
Turn OFF power to the machine.
For a detailed explanation, see "Turning Power Off" in
the
Setup Guide
.
2
Hold the Document holder lever and lift the
Document holder.
3
Push the top cover button down to open the
top cover.
Feed roller cover
Document holder
Document
holder lever
There is a risk of getting burned.
Do not touch the fuser unit. It can be extremely hot.
Caution
Top cover
Top cover button