Konica Minolta bizhub 20p User Manual

							71
4
4
Control Panel4
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.
Control Panel4
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 the Drum is 
nearing the end of its life.
4)Paper LED
The Paper LED indicates when the printer is 
in one of the following states: No paper / 
Paper jam / Cover open
5)Status LED
The Status LED will flash depending on the 
printer status.
6)Job Cancel button
1 Job Cancel / ALL Job Cancel
7)Go button
Wake-up / Error recovery / Form feed / 
Reprint
LED is off.
The LED is dimmed.
 or   or LED is on.
 or   or LED is blinking.
Downloaded From ManualsPrinter.com Manuals 
						

							Control Panel
72
4
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. 
Downloaded From ManualsPrinter.com Manuals 
						

							Control Panel
73
4
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 and nothing has printed, press Go to print the remaining data in 
memory.
Toner low
Indicates that the toner cartridge is near the end of its life. Buy a new toner cartridge 
and have it ready for when Replace Toner is indicated.
The Toner LED will turn on for 2 seconds and off for 3 seconds.
Replace toner
Replace the toner cartridge with a new one. See Replacing the toner cartridge on 
page 90.
Cartridge error
The drum unit assembly is not installed correctly. Take the drum unit out of the 
machine and put it back in.
No toner
Open the front cover, install the toner cartridge. See Toner cartridge on page 89.
LEDPrinter status
Downloaded From ManualsPrinter.com Manuals 
						

							Control Panel
74
4
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 envelopes on 
page 20 or Cleaning the paper pick-up roller on page 106.
LEDPrinter status
Downloaded From ManualsPrinter.com Manuals 
						

							Control Panel
75
4
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 
can use for automatic duplex printing is A4, Letter, Legal or Folio.
The Paper LED will turn on for 0.5 seconds and off for 0.5 seconds. 
Size mismatch
Put the same size paper in the paper tray or MP tray that is selected in the printer 
driver, and then press Go.
Paper jam (back cover or duplex tray)
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 Back Cover LED will turn on for 0.5 seconds and off for 0.5 seconds. 
Duplex disabled
Close the back cover of the printer and put the duplex tray back in.
Fuser cover is open
Close the fuser cover which can be found behind the back cover of the printer.
The Back Cover LED will turn on for 0.5 seconds and off for 0.5 seconds. 
LEDPrinter status
Downloaded From ManualsPrinter.com Manuals 
						

							Control Panel
76
4
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 full
The download buffer of the printer is full. Add more memory to the printer. See 
Installing extra memory on page 86.
Font full
The font memory area is full. Delete fonts or add more memory to the printer. See 
Installing extra memory on page 86.
Drum error
The corona wire needs to be cleaned. See Cleaning the corona wire on page 108.
If your LEDs still shows the same error indication after you have cleaned the corona 
wire, replace the drum unit with a new one. See Replacing the drum unit on page 97.
LEDPrinter status
Downloaded From ManualsPrinter.com Manuals 
						

							Control Panel
77
4
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 the error.
LED error indication
4
1If this error occurs, turn off the printer power switch, wait a few seconds, and then turn it on again. Leave the printer for 15 minutes with the power 
on. If the error occurs again, call your dealer or KONICA MINOLTA Customer Service.
LEDsFuser unit 
failure
1
Main PCB 
failureLaser unit 
failureMain motor 
failureHigh 
voltage 
failureDIMM 
errorFAN Failure
Back 
Cover
Toner
Drum
Paper
Status
Downloaded From ManualsPrinter.com Manuals 
						

							Control Panel
78
4
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.
 
Downloaded From ManualsPrinter.com Manuals 
						

							Control Panel
79
4
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 the printer up and go to the Ready state.
„Error recovery
If there is an error, the printer will recover automatically from some errors. If an error is not automatically 
cleared, press Go to clear the error, and then continue to use the printer.
„Form feed
If the yellow Status LED is on for a long time, press Go. The printer will print any remaining data in the 
printer memory.
„Reprint
To reprint the last document, press Go for about 4 seconds until all the LEDs light up and then release it. 
Within 2 seconds press Go the number of times you want to reprint. If you do not press Go within 2 
seconds, a single copy will be printed.
If you want to use the reprint function open the drivers Properties dialog box and go to the Advanced tab, 
select the Other Print Options... icon and click Use Reprint and then check the Use Reprint check box. 
See Other Print Options... on page 40.
Downloaded From ManualsPrinter.com Manuals 
						

							Control Panel
80
4
Print a test page4
You can use the Go button or the printer driver to print a test page.
Using the Go button
4
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 driver
4
If you are using the Windows® printer driver, click the Print Test Page button in the General tab of the printer 
driver.
Downloaded From ManualsPrinter.com Manuals