Konica Minolta bizhub 20p User Manual

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LEDs (Light Emitting Diodes)4
This section refers to five LEDs Back Cover, Toner, Drum, Paper, Status and two buttons Job Cancel and 
Go on the control panel.
The LED indications shown in the table below are used in the illustrations in this chapter.
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1)Back Cover LED
The Back Cover LED indicates when errors 
occur in the back of the printer. 
2)Toner LED
The Toner LED indicates when the Toner is 
low or at the end of its life.
3)Drum LED
The Drum LED indicates when...

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LEDPrinter status
Sleep mode
The printer is in sleep mode. Pressing Go wakes up the printer from sleep mode to 
ready mode.
Ready to print
The printer is ready to print.
Warming up
The printer is warming up.
The Status LED will turn on for 1 second and off for 1 second. 
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Receiving data
The printer is either receiving data from the computer, processing data in memory 
or printing the data.
The Status LED will turn on for 0.5 seconds and off for 0.5 seconds. 
Cooling down
The printer is cooling down. Wait for a few seconds until inside of the printer has 
cooled down.
The Status LED will turn on for 1 second and off for 1 second.
Data remaining in memory
There is remaining print data in the printer memory. If the yellow Status LED is on 
for a long time...

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Drum life will end soon
The drum unit is near the end of its life. We recommend that you get a new drum 
unit to replace the current one. See Replacing the drum unit on page 97.
The Drum LED will turn on for 2 seconds and off for 3 seconds.
Replace drum
Replace the drum with a new one. See Replacing the drum unit on page 97.
No paper
Put paper in the tray. Then press Go. See Printing on plain paper, bond paper and 
transparencies on page 11, Printing on thick paper, labels and...

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No tray
The paper tray was not detected, install it, or ensure it is inserted correctly.
Paper jam
Clear the paper jam. See Paper jams and how to clear them on page 115. If the 
printer does not start printing, press Go.
The Paper LED will turn on for 0.5 seconds and off for 0.5 seconds.
Incorrect paper size for auto DX
Press Go or Job Cancel. Set the correct paper that you want to use, or load the 
same size paper that you selected in the current driver setting. The paper size you...

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Front cover is open
Close the front cover of the printer.
Too many trays
Maximum number of optional trays is two. Remove additional trays.
Buffer error
Check the cable connection between the PC and printer.
Memory full
The printer memory is full and the printer cannot print full pages of a document. See 
Solving print problems on page 130. 
Print overrun
A print overrun occurred and the printer cannot print full pages of a document. See 
Solving print problems on page 130.
Download...

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Service call indications4
If there is an error that cannot be cleared by the user, the printer will show that a service call is needed by 
lighting up all the LEDs as shown below.
If you see the service call indication shown above, turn off the power switch, and then turn it back on and try 
to print again.
If the error is not cleared after turning the power switch off and then back on, press Go and Job Cancel 
together, the LEDs will light up as shown in the table below to identify...

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For example, the LED indication below shows a fuser unit failure.
Make a note of the indication, referring to the table on page 77, and report the error status to your dealer or 
KONICA MINOLTA Customer Service.
Note Make sure that the front cover is completely closed before you report a service call.
 
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Control panel buttons4
The control panel buttons have the following functions:
„Cancel printing
Cancel only the printing job:
If you press Job Cancel while printing, the printer will immediately stop printing and will then eject the 
paper. 
Cancel all the received jobs: 
To delete all jobs, press and hold Job Cancel for about 4 seconds. The Status LED will flash green, red 
and yellow until all jobs are canceled.
„Wake-up
If the printer is in sleep mode, press Go or Job Cancel to wake...

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Print a test page4
You can use the Go button or the printer driver to print a test page.
Using the Go button
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aTurn off the printer.
bMake sure that the front cover is closed and the power cord is plugged in.
cHold down Go as you turn on the power switch. Keep Go pressed down until the Back Cover, Toner, 
Drum and Paper LEDs light up. Release Go. Make sure that the Back Cover, Toner, Drum and Paper 
LEDs are off.
dPress Go again. The printer will print a test page.
Using the printer...