Konica Minolta bizhub 20p User Manual

Routine Maintenance
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bTake out the drum unit and toner cartridge assembly.
IMPORTANT
 
We recommend that you put the drum unit and toner cartridge assembly on a piece of disposable paper or 
cloth in case you accidentally spill or scatter toner.
 To prevent damage to the printer caused by static electricity, DO NOT touch the electrodes shown in the 
illustration.
 
cPush down the blue lock lever and take the toner cartridge out of the drum unit.
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Routine Maintenance92
6
WARNING 
DO NOT put a toner cartridge into a fire. It could explode, resulting in injuries.
 Use neutral detergents when cleaning the printer.
 DO NOT use cleaning materials that contain ammonia, al cohol, any type of spray, or any type of flammable 
substance to clean the outside or inside of the machin e. Doing this may cause a fire or electrical shock.
 Be careful not to inhale toner. 
 
IMPORTANT
 
Handle the toner cartridge carefully. If toner scatters on your hands or...

Routine Maintenance
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dUnpack the new toner cartridge. Gently shake it from side to side several times to distribute the toner 
evenly inside the cartridge.
IMPORTANT
 
Wait to unpack the toner cartridge until immediately before you put it in the printer. If toner cartridges are 
left unpacked for a long time the toner life will be shortened.
 If an unpacked drum unit is put in direct sunlight or room light, the unit may be damaged.
 
CAUTION 
Put the toner cartridge in the drum unit immediately after...

Routine Maintenance
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IMPORTANT
 
For USA and Canada
 KONICA MINOLTA strongly recommends that you do not refill the toner cartridge provided with your printer. 
We also strongly recommend that you continue to use only genuine KONICA MINOLTA brand replacement 
toner cartridges. Use or attempted use of potentially incompatible toner and/or cartridges in the KONICA 
MINOLTA machine may cause damage to the machine and/or may result in unsatisfactory print quality. Our 
warranty coverage does not apply to...

Routine Maintenance
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fPut the new toner cartridge firmly into the drum unit until you hear it lock into place. If you put it in 
properly, the lock lever will lift automatically.
Note Make sure that you put in the toner cartridge properly or it may separate from the drum unit.
 
gClean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left and left 
to right several times.
Note Be sure to return the tab to the home position (a) (1). If you do not, printed pages...

Routine Maintenance
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Drum unit6
A new drum unit can print approximately 25,000 A4 or Letter size single-sided pages at 1 per/ job.
Note • There are many factors that determine the actual drum life, such as the temperature, humidity, type of 
paper, type of toner used and so on. Under ideal conditions, the average drum life is estimated at 
approximately 25,000 pages. The actual number of pages that your drum will print may be significantly 
less than this estimate. Because we have no control over the...

Routine Maintenance
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Replacing the drum unit6
IMPORTANT
 
While removing the drum unit, handle it carefully because it may contain toner.
 
Every time you replace the drum unit, clean the inside of the printer.See Cleaning on page 101.
 
When you replace the drum unit with a new one, you need to reset the drum counter by completing the 
following steps:
aPress the front cover release button and then open the front cover.
bTake out the drum unit and toner cartridge assembly.
Downloaded From...

Routine Maintenance
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6
IMPORTANT
 
We recommend that you put the drum unit and toner cartridge assembly on a piece of disposable paper or 
cloth in case you accidentally spill or scatter toner.
 To prevent damage to the printer caused by static electricity, DO NOT touch the electrodes shown in the 
illustration.
 
cPush down the blue lock lever and take the toner cartridge out of the drum unit.
WARNING 
DO NOT put a toner cartridge into a fire. It could explode, resulting in injuries.
 Use neutral...

Routine Maintenance
99
6
IMPORTANT
 
Handle the toner cartridges carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold 
water at once.
 To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.
 
dUnpack the new drum unit.
IMPORTANT
 
Wait to unpack a drum unit until immediately before you put it in the printer. Exposure to direct sunlight or 
room light may damage the drum unit.
 
ePut the toner cartridge firmly into the new drum unit until...

Routine Maintenance
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fPut the drum unit and toner cartridge assembly back in the printer.
gPress and hold down the Go for about 4 seconds until all the LEDs light up. Once all four LEDs are lit, 
release Go.
IMPORTANT
 
Do not reset the drum counter when you only replace the toner cartridge.
 
hClose the front cover.
iMake sure that the Drum LED is now off.
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