Konica Minolta magicolor 4750EN User Manual

Replacing Consumables 7-38
8Pull down the 2 levers of a new 
fuser unit.
9Insert the fuser unit until it locks 
into place.
10Lift up the two levers.
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Replacing Consumables7-39
11Close the fuser unit cover.
12Close the eject cover.
13Close the right side cover.
If the door cannot be 
closed, check that the 
fuser unit is fully inserted.
14Reset the counter in the MAINTENANCE MENU/SUPPLIES/
REPLACE/FUSER UNIT
 menu.
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Replacing Consumables 7-40
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Maintaining the
Printer
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Maintaining the Printer 8-2
Maintaining the Printer
CAUTION
Read all caution and warning labels carefully, making sure to follow any 
instructions contained in them. These labels are located on the inside of 
the printer’s covers and the interior of the printer body.
Handle the printer with care to preserve its life. Abuse handling may cause 
damage and void your warranty. If dust and paper scraps remain on the 
inside or outside of the printer, printer performance and print quality will suffer, 
so the...

Maintaining the Printer8-3
„Do not leave the printer’s covers open for any length of time, especially in 
well-lit places; light may damage the imaging units.
„Do not open the printer during printing.
„Do not tap media stacks on the printer.
„Do not lubricate or disassemble the printer.
„Do not tilt the printer.
„Do not touch the electrical contacts, gears, or laser devices. Doing so may 
damage the printer and cause the print quality to deteriorate.
„Keep media in the output tray at a minimum level. If...

Cleaning the Printer 8-4
Cleaning the Printer
CAUTION
Be sure to turn off the printer and unplug the power cord before 
cleaning.
Exterior
Control Panel Ventilation Grill
Printer Exterior
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Cleaning the Printer8-5 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 Printer 8-6
3Clean the media feed rollers by 
wiping them with a soft, dry 
cloth.
4Close the tray.
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Cleaning the Printer8-7
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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