Oki MB471 Users Manual Basic - Page 178

Cleaning LED Heads

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Cleaning Your Machine Cleaning LED Heads Clean the LED heads if vertical white lines appear, images are fading vertically, or the periphery of letters is smudged in the printouts. Dirt on the LED heads may also cause paper jams. Note  Do not use methyl alcohol or thinners as a cleaning agent. They may damage the LED heads.  Do not expose the image drum to direct sunlight or very bright interior light (approximately more than 1500 lux). Even under the normal interior light, do not leave it for more than 5 minutes. 1 Hold down the power switch for about a second to turn on the power. Reference  "Turning Off Your Machine" (P. 20) 2 Open the scanner unit. 3 Press the top cover open button (1) and open the top cover. CAUTION Burn risk.  The fuser unit is extremely hot. Do not touch it. 4 Lightly wipe the lenses (2) of the LED heads with soft tissue paper. 2 5 Close the top cover. 6 Close the scanner unit. 1 - 178 -

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Cleaning Your Machine
- 178 -
Cleaning LED Heads
Clean the LED heads if vertical white lines
appear, images are fading vertically, or the
periphery of letters is smudged in the printouts.
Dirt on the LED heads may also cause paper
jams.
Note
Do not use methyl alcohol or thinners as a cleaning agent.
They may damage the LED heads.
Do not expose the image drum to direct sunlight or very
bright interior light (approximately more than 1500 lux).
Even under the normal interior light, do not leave it for
more than 5 minutes.
1
Hold down the power switch for about a
second to turn on the power.
Reference
"Turning Off Your Machine" (P. 20)
2
Open the scanner unit.
3
Press the top cover open button (1) and
open the top cover.
4
Lightly wipe the lenses (2) of the LED
heads with soft tissue paper.
5
Close the top cover.
6
Close the scanner unit.
CAUTION
Burn risk.
The fuser unit is extremely hot. Do not touch it.
1
2