Konica Minolta magicolor 4690MF User Manual

Maintaining the Machine 189
„Do not cover the machine immediately after using it. Turn it off and wait 
until it cools down.
„Do not leave the machine’s covers open for any length of time, especially 
in well-lit places; light may damage the toner cartridges.
„Do not open the machine during printing.
„Do not tap media stacks on the machine.
„Do not lubricate or disassemble the machine.
„Do not tilt the machine.
„Do not touch the electrical contacts, gears, or laser devices. Doing so may 
damage the...

Cleaning the Machine 190
Cleaning the Machine
CAUTION
Be sure to turn off the machine and unplug the power cord before 
cleaning.
Exterior
„Control Panel
„Machine Exterior
„Original Cover Pad „Original Glass„Ventilation Grill
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Cleaning the Machine 191 Media Rollers
The accumulation of paper dust and other debris on the media rollers can 
cause media-feeding problems. 
Cleaning the Media Feed Rollers (Manual Feed Tray)
1Open Tray 1.
2Press down on the center of the 
paper-lifting plate until the left 
and right locking tabs (white) 
lock into place.
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Cleaning the Machine 192
3Clean the media feed rollers by 
wiping them with a soft, dry 
cloth.
4Close the tray.
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Cleaning the Machine 193
Cleaning the Media Feed Rollers (Tray 2/3)
1Pull out the tray.
2Clean the media feed rollers by 
wiping them with a soft, dry 
cloth.
3Close the tray.
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Cleaning the Machine 194
Cleaning the Media Transfer Rollers for Tray 3
1Open the right side cover of 
Tray 3.
Before opening the right 
side cover of Tray 3 , fold 
up Tray 1.
2Clean the media transfer rollers 
by wiping them with a soft, dry 
cloth.
3Close the right side cover of 
Tray 3.
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Cleaning the Machine 195
Cleaning the Media Feed Rollers for the ADF
1Open the ADF feed cover.
2Clean the media feed rollers by 
wiping them with a soft, dry 
cloth.
3Close the ADF feed cover.
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Cleaning the Machine 196
Cleaning the Media Feed Rollers for the Duplex
1Pull the lever, and then open the 
right-side cover.
Before opening the 
right-side cover, fold up 
Tray 1.
2Clean the feed rollers by wiping 
them with a soft, dry cloth.
3Close the right-side cover
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Cleaning the Machine 197 Laser Lens
This machine is constructed with four laser lenses. Clean all lenses as 
described below. The laser lens cleaning tool should be attached to the inside 
of the front cover.
1Open the machine’s front cover 
and remove the cleaning tool 
from the machine’s front cover.
 
2Insert the laser lens cleaning 
tool into the laser lens cleaning 
opening, pull it out, and then 
repeat this back and forth move-
ment 2 or 3 times.
3Clean between each of the laser 
lenses in the...

Cleaning the Machine 198
4Return the laser lens cleaning tool to its holder on the inside of the front 
cover.
5Close the front cover.
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