Konica Minolta magicolor 4750EN User Manual

Replacing Consumables 7-28
5Insert the protective sheet into 
the unit in the direction of the 
arrow until it stops.
6Push down the guides.
7Hold the handles, and then care-
fully pull out the transfer belt 
unit.
Be sure to keep the 
transfer belt level; other-
wise, the transfer belt 
may be scratched.
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Replacing Consumables7-29
8Prepare a new transfer belt unit.
Be careful not to touch 
the surface of the belt.
Do not remove the blue 
lever.
9Remove the protective cover 
from the new transfer belt unit.
10Insert the new transfer belt unit 
along the rails.
Fully insert it until it locks 
into place.
Be sure to keep the 
transfer belt level; other-
wise, the transfer belt 
may be scratched.
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Replacing Consumables 7-30
11Push up the guides.
12Pull out the protective sheet.
13Close the right side cover.
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Replacing Consumables7-31
14Install the all toner cartridges, all 
imaging units and waste toner 
bottle.
For details on installing 
the toner cartridges, 
imaging units or waste 
toner bottle, refer to 
“Replacing a Toner Car-
tridge” on page 7-7 or 
“Replacing a Imaging 
Unit” on page 7-12.
15Close the front cover.
When closing the front 
cover, press the area of 
the cover with small pro-
jections.
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Replacing Consumables 7-32
16Reconnect the power cord, and 
turn on the printer.
17Reset the counter in the MAINTENANCE MENU/SUPPLIES/
REPLACE/TRANS. BELT
 menu.
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Replacing Consumables7-33 Replacing the Backup Battery
When the backup battery is at its end of life, the printer’s date and time can-
not be retained. Follow the procedure described below to replace the backup 
battery.
Note
Only use the coin-shaped 3V lithium battery CR2032. It’s very important 
to protect the printer controller board and any associated circuit boards 
from electrostatic damage. Before performing this procedure, review 
the antistatic caution on page 10-3. In addition, always handle...

Replacing Consumables 7-34
3Slide the panel slightly to the 
down and lift it off the printer.
4Remove the backup battery.
5Insert a new backup battery.
When inserting the new 
backup battery, be sure 
that the + side faces 
front.
Risk of explosion if bat-
tery is replaced by an 
incorrect type. Dispose of 
used batteries according 
to your local regulations. 
Do not burn the backup 
battery.
6Reinstall the panel and tighten two screws.
7Reconnect all interface cables.
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Replacing Consumables7-35
8Reconnect the power cord, and 
turn on the printer.
9Use DATE on the SYS DEFAULT MENU/CLOCK menu to set the date, 
and use 
TIME on the SYS DEFAULT MENU/CLOCK menu to set the 
time.
Replacing the Fuser Unit FU-P02
When the time to replace the fuser unit is reached, the message FUSER 
UNIT/END OF LIFE
 appears. Printing can continue even after this mes-
sage appears; however, since the print quality is reduced, the fuser unit 
should be replaced immediately
1Turn off the...

Replacing Consumables 7-36
2Pull the lever, and then open the 
right side cover.
Before opening the right side 
cover, fold up Tray 1.
3Open the eject cover.
4Open the fuser unit cover.
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Replacing Consumables7-37
5Pull down the 2 levers. 
6Remove the fuser unit.
7Prepare a new fuser unit.
Be careful not to touch the 
surface of the fuser roller.
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