Konica Minolta magicolor 2550DN User Manual

Replacing Consumables 87 Replacing the Drum Cartridge
1Pull the lever, and then open the 
top cover.
!If there is paper in the 
output tray, remove it. 
Fold up the output tray 
before opening the top 
cover.
!Do not touch the transfer 
belt.
2Carefully pull out the drum car-
tridge.
Note
Dispose of the used drum cartridge according to your local 
regulations. Do not burn the drum cartridge.
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Replacing Consumables 88
3Prepare a new drum cartridge.
!Do not touch the PC 
drum on the drum car-
tridge.
4Install the new drum cartridge.
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Replacing Consumables 89
5Carefully close the top cover.
!The printer must complete a calibration cycle (less than 2 minutes) 
after the drum cartridge has been replaced. If you open the top 
cover before the message 
IDLE appears, the printer stops and 
repeats the calibration cycle.
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Replacing Consumables 90
Replacing the Backup Battery
If the backup battery is dead, the printer’s date and time cannot be retained. 
Follow the procedure described below to replace the backup battery.
Note
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 140. In addition, 
always handle circuit boards by the edges only.
1Turn off the printer and discon-
nect...

Replacing Consumables 91
3Remove the rear panel.
!Since there are two 
hooks on the right side of 
the panel, remove the 
rear panel by slightly pull-
ing the left side of the 
panel toward you, then 
sliding the panel off to the 
left.
4While holding the tab on the 
hard disk mounting pin slid to the 
left, remove the hard disk.
5Remove the backup battery from 
the back of the hard disk.
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Replacing Consumables 92
6Install a new backup battery.
!When installing the new 
backup battery, make 
sure that the + side faces 
up.
7Attach the hard disk to the 
printer controller board.
8Reinstall the panel and tighten the screw.
!If you removed the duplex option in step1, reinstall it.
9Reconnect all interface cables.
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Replacing Consumables 93
10Reconnect the power cord, and 
turn on the printer.
11From the control panel, select SYSTEM DEFAULT/DATE & TIME, 
and then set the date and time.
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7
Maintaining the
Printer
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Maintaining the Printer 96
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...