Konica Minolta bizhub 20 User Manual

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Black toner marks across the 
pageMake sure that you use paper that meets our specifications. (See 
Acceptable paper and other print media on page 12.)
If you use label sheets for laser machines, the glue from the sheets 
may sometimes stick to the OPC drum surface. Clean the drum unit.
Do not use paper that has clips or staples because they will scratch 
the surface of the drum.
If the unpacked drum unit is in direct sunlight or room light, the unit 
may be damaged.
The toner cartridge may be damaged. Put in a new toner cartridge. 
(See Replacing a toner cartridge on page 143.)
The drum unit may be damaged. Put in a new drum unit. (See 
Replacing the drum unit on page 145.)
 
Line across the pageClean the laser scanner window and the corona wire inside the drum 
unit. (See Cleaning the laser scanner window on page 138 and 
Cleaning the corona wire on page 140.)
The drum unit may be damaged. Put in a new drum unit. (See 
Replacing the drum unit on page 145.)
 
Black lines down the page
Printed pages have toner 
stains down the pageClean the corona wire inside the drum unit by sliding the blue tab. Be 
sure to return the blue tab to the home position (
a). (See Cleaning the 
corona wire on page 140.)
The toner cartridge may be damaged. Put in a new toner cartridge. 
(See Replacing a toner cartridge on page 143.)
The drum unit may be damaged. Put in a new drum unit. (See 
Replacing the drum unit on page 145.)
The fuser unit may be smudged. Call your KONICA MINOLTA dealer 
for service.
Examples of poor print 
qualityRecommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
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123
C
 
Poor fixingOpen the back cover and make sure that the two blue levers on the 
left and right hand sides are in the up position.
 
Choose Improve Toner Fixing mode in the printer driver. (See Other 
Print Options (For Windows
®) or Print Settings (For Macintosh®) in 
the Software User’s Guide on the CD/DVD-ROM.)
If this selection dose not provide enough improvement, choose 
Thicker Paper in Media Type setting.
Examples of poor print 
qualityRecommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
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Setting Dial Tone detectionC
When you send a fax automatically, by 
default your machine will wait for a fixed 
amount of time before it starts to dial the 
number. By changing the Dial Tone setting to 
Detection you can make your machine dial 
as soon as it detects a dial tone. This setting 
can save a small amount of time when 
sending a fax to many different numbers. If 
you change the setting and start having 
problems with dialling you should change 
back to the default No Detection setting.
a Press Menu, 0, 5.
bPress a or b to choose Detection or 
No Detection.
PressOK.
cPress Stop/Exit.
Telephone line interferenceC
If you are having difficulty sending or 
receiving a fax due to possible interference 
on the telephone line, we recommend that 
you adjust the Equalization for compatibility 
to reduce the modem speed for fax 
operations.
aPress Menu, 2, 0, 1.
bPress a or b to choose 
Basic(for VoIP), Normal or High.
Basic(for VoIP) cuts the 
modem speed to 9600 bps. and 
turns the error correction mode 
(ECM) off.
For a standard telephone line: If you 
regularly experience interference on 
your standard telephone line try this 
setting.
If you are using VoIP: VoIP service 
providers offer fax support using 
various standards. If you regularly 
experience fax transmission errors 
try this setting.
Normal sets the modem speed at 
14400 bps.
High sets the modem speed at 
33600 bps.
PressOK.
cPress Stop/Exit.
Note
When you change the Compatibility to 
Basic(for VoIP), the ECM feature is 
not available.
 
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125
C
Error and maintenance messagesC
As with any sophisticated office product, errors may occur and consumable items may need to be 
replaced. If this happens, your machine identifies the error or required routine maintenance and 
shows the appropriate message. The most common error and maintenance messages are shown 
below.
You can clear most errors and perform routine maintenance messages by yourself. If you need 
more help, KONICA MINOLTA offers the latest FAQs and troubleshooting tips.
Visit us at http://konicaminolta.com/.
Error MessageCauseAction
Access ErrorThe device is removed from the 
USB direct interface while the 
data is processing.Press Stop/Exit. Reinsert the device and try 
to print with Direct Print.
BT Call Sign On
(U.K. only)BT Call Sign is set to On. You 
cannot change the Receive Mode 
from Manual to another mode.Set BT Call Sign to Off. (See BT Call 
Sign (U.K. only) on page 48.)
Cartridge ErrorThe toner cartridge is not installed 
correctly.Pull out the drum unit, take out the toner 
cartridge that is indicated on the LCD, and 
put it back into the drum unit again.
Comm.ErrorPoor telephone line quality 
caused a communication error.Try sending the fax again or try connecting 
the machine to another telephone line. If the 
problem continues, call the telephone 
company and ask them to check your 
telephone line.
Connection FailYou tried to poll a fax machine 
that is not in Polled Waiting mode.Check the other fax machine’s polling setup.
Cooling Down
Wait for a whileThe temperature of the drum unit 
or toner cartridge is too hot. The 
machine will pause its current 
print job and go into cooling down 
mode. During the cooling down 
mode, you will hear the cooling 
fan running while the LCD shows 
Cooling Down and 
Wait for a while.Make sure that you can hear the fan in the 
machine spinning and that the exhaust outlet 
is not blocked by something.
If the fan is spinning, remove any obstacles 
that surround the exhaust outlet, and then 
leave the machine turned on but do not use 
it for several minutes.
If the fan is not spinning, disconnect the 
machine from the power for several minutes, 
then reconnect it. (The machine can be 
turned off for up to 60 hours without losing 
faxes stored in the memory. See 
Transferring your faxes or Fax Journal report 
on page 129.)
Cover is OpenThe front cover is not closed 
completely.Close the front cover of the machine.
Cover is OpenThe fuser cover is not closed 
completely or paper was jammed 
in the back of the machine when 
you turned on the power.Close the fuser cover of the machine.
Make sure paper is not jammed inside 
the back of the machine, and then close 
the fuser cover and press Start.
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DisconnectedThe other person or other 
person’s fax machine stopped the 
call.Try to send or receive again.
Document JamThe document was not inserted 
or fed correctly, or the document 
scanned from the ADF was too 
long.See Document jams on page 130 or Using 
the automatic document feeder (ADF) 
on page 17.
Drum ErrorThe corona wire on the drum unit 
needs to be cleaned.Clean the corona wire on the drum unit. (See 
Cleaning the corona wire on page 140.)
The drum unit has reached the 
end of its life.Replace the drum unit. (See Replacing the 
drum unit on page 145.)
Duplex DisabledThe duplex tray is not installed 
properly.Remove the duplex tray and install it again.
Fuser ErrorThe temperature of fuser unit 
does not rise at a specified 
temperature within specified time.Turn the power switch off, wait a few 
seconds, and then turn it on again. Leave the 
machine for 15 minutes with the power on. 
The machine can be turned off for up to 60 
hours without losing faxes stored in the 
memory. (See Transferring your faxes or Fax 
Journal report on page 129.) The fuser unit is too hot.
Jam DuplexThe paper is jammed in the 
duplex tray.(See Paper jams on page 131.)
Jam RearThe paper is jammed in the back 
of the machine.(See Paper jams on page 131.)
Jam InsideThe paper is jammed inside the 
machine.(See Paper jams on page 131.)
Jam MP TrayThe paper is jammed in the MP 
tray of the machine.(See Paper jams on page 131.)
Jam Tray 1
Jam Tray 2The paper is jammed in the paper 
tray of the machine.(See Paper jams on page 131.)
No PaperThe machine is out of paper or 
paper is not correctly loaded in 
the paper tray.Do one of the following:
Refill the paper in the paper tray or MP 
tray.
Remove the paper and load it again.
No Response/BusyThe number you dialled does not 
answer or is busy.Verify the number and try again.
No TonerThe toner cartridge or the drum 
unit and toner cartridge assembly 
is not installed properly.Re-install the toner cartridge or the drum unit 
and toner cartridge assembly.
No TrayThe paper tray is not completely 
closed.Close the paper tray properly.
Error MessageCauseAction
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C
Out of MemoryThe machine’s memory is full.Fax sending or copy operation in 
progress
Do one of the following:
Press Start to send or copy the scanned 
pages.
Press Stop/Exit and wait until the other 
operations in progress finish, and then try 
again.
Clear the data from the memory. (See 
Out of memory message on page 40 or 
page 82.)
Print operation in process
Do one of the following:
Reduce print resolution. (See Advanced 
tab in the Software User’s Guide on the 
CD/DVD-ROM.)
Clear the faxes from the memory. (See 
Out of memory message on page 82.)
Print Unable XXThe machine has a mechanical 
problem.Disconnect the machine from the power for 
several minutes, then reconnect it. (The 
machine can be turned off for up to 60 hours 
without losing faxes stored in the memory. 
See Transferring your faxes or Fax Journal 
report on page 129.)
Protected DeviceThe protect switch of the USB 
Flash memory drive is on.Turn off the protect switch of the USB Flash 
memory drive.
Rename the FileThere is already a file on the USB 
Flash memory drive with the 
same name as the file you are 
trying to save.Change the file name of the file on the USB 
Flash memory drive or the file you are trying 
to save.
Replace Parts
DrumThe drum unit is the end of its life. Replace the drum unit.
(See Replacing the drum unit on page 145.)
The drum unit counter was not 
reset when a new drum was 
installed.1 Open the front cover, and then press 
Clear/Back.
2Press 1 to reset.
Replace Parts
Fuser UnitIt is time to replace the fuser unit. Call your KONICA MINOLTA dealer to 
replace the fuser unit.
Replace Parts
Laser UnitIt is time to replace the laser unit. Call your KONICA MINOLTA dealer to 
replace the laser unit.
Replace Parts
PF kit MPIt is time to replace the paper 
feeding kit for the MP tray.Call your KONICA MINOLTA dealer to 
replace the PF Kit MP.
Replace Parts
PF kit 1It is time to replace the paper 
feeding kit for Tray 1.Call your KONICA MINOLTA dealer to 
replace the PF Kit 1.
Error MessageCauseAction
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Replace Parts
PF kit 2It is time to replace the paper 
feeding kit for Tray 2.Call your KONICA MINOLTA dealer to 
replace the PF Kit 2.
Replace TonerThe toner cartridge is at the end 
of its life and printing is not 
possible.Replace the empty toner cartridge with a 
new one. (See Replacing a toner cartridge 
on page 143.)
Scan Unable XXThe machine has a mechanical 
problem.Disconnect the machine from the power for 
several minutes, then reconnect it. (The 
machine can be turned off for up to 60 hours 
without losing faxes stored in the memory. 
See Transferring your faxes or Fax Journal 
report on page 129.)
Document is too long for duplex 
scanning.Press Stop/Exit. Use the suitable size of 
paper for duplex scanning. (See Scan 
on page 178.)
Scanner LockedThe scanner lock is locked. Open the document cover, and then release 
the scanner lock lever.
 
Press Stop/Exit.
Size mismatchThe paper in the tray is not the 
correct size.Load the correct size of paper in the tray and 
set the “Paper Size” (Menu, 1, 2, 2 (See 
Paper Size on page 20).
Toner LowIf the LCD shows Toner Low, 
you can still print; however, the 
machine is telling you that the 
toner cartridge is near the end of 
its life and the toner will soon 
need replacing.Order a new toner cartridge now.
Too Many FilesThere are too many files stored 
on the USB Flash memory drive.Reduce the number of files stored on the 
USB Flash memory drive.
Too Many TraysMore than one optional tray is 
installed.The maximum number of optional trays is 
one. Remove any additional trays.
Unusable DeviceAn incompatible or broken device 
has been connected to the USB 
direct interface.Remove the USB Flash memory drive from 
the USB direct interface.
Error MessageCauseAction
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C Transferring your faxes or Fax 
Journal reportC
If the LCD shows:
Print Unable XX
Scan Unable XX
We recommend transferring your faxes to 
another fax machine or to your PC. (See 
Transferring faxes to another fax machine 
on page 129 or Transferring faxes to your PC 
on page 129.)
You can also transfer the Fax Journal report 
to see if there are any faxes you need to 
transfer. (See Transferring Fax Journal report 
to another fax machine on page 129.)
Note
If there is an error message on the 
machine’s LCD, after the faxes have been 
transferred, disconnect the machine from 
the power source for several minutes, and 
then reconnect it.
 
Transferring faxes to another fax 
machine
C
If you have not set up your Station ID, you 
cannot enter fax transfer mode. (See Setting 
your station ID in the Quick Guide.)
aPress Menu, 9, 0, 1.
bDo one of the following:
If the LCD shows No Data, there 
are no faxes left in the machine’s 
memory. Press Stop/Exit.
Enter the fax number to which faxes 
will be forwarded.
cPress Start.
Transferring faxes to your PCC
You can transfer the faxes from your 
machine’s memory to your PC.
aMake sure that you have installed Multi-
Function Suite on your PC, and then 
turn on PC-Fax Receiving on the PC. 
(For details about PC Fax Receive, see 
PC-FAX receiving in the Software 
User’s Guide on the CD/DVD-ROM.)
bMake sure that you have set 
PC Fax Receive on the machine. 
(See PC Fax Receive on page 61.)
If faxes are in the machine’s memory 
when you set up PC Fax Receive, the 
LCD will ask if you want to transfer the 
faxes to your PC.
cDo one of the following:
To transfer all faxes to your PC, 
press 1. You will be asked if you want 
a backup print.
To exit and leave the faxes in the 
memory, press 2.
dPress Stop/Exit.
Transferring Fax Journal report to 
another fax machine
C
If you have not set up your Station ID, you 
cannot enter fax transfer mode. (See Setting 
your station ID in the Quick Guide.)
aPress Menu, 9, 0, 2.
bEnter the fax number to which the Fax 
Journal report will be forwarded.
cPress Start.
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Document jamsC
If the document is jammed, follow the steps 
below.
IMPORTANT
After removing a jammed document, 
check that no paper scraps are left in the 
machine that could cause another jam.
 
Document is jammed in the top of the 
ADF unit
C
aTake out any paper from the ADF that is 
not jammed.
bOpen the ADF cover.
cPull the jammed document out to the 
left.
 
dClose the ADF cover.
ePress Stop/Exit.
Document is jammed under the 
document cover
C
aTake out any paper from the ADF that is 
not jammed.
bLift the document cover.
cPull the jammed document out to the 
right.
 
dClose the document cover.
ePress Stop/Exit.
Document is jammed at the output 
tray
C
aTake out any paper from the ADF that is 
not jammed.
bPull the jammed document out to the 
right.
 
cPress Stop/Exit.
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131
C
Document is jammed in the duplex 
slot
C
aTake out any paper from the ADF that is 
not jammed.
bPull the jammed document out to the 
right.
 
cPress Stop/Exit.
Paper jamsC
To clear paper jams, please follow the steps 
in this section.
IMPORTANT
Please confirm that you have installed 
both a toner cartridge and a drum unit in 
the machine. If you have not installed a 
drum unit or have installed the drum unit 
incorrectly, then this may cause a paper 
jam in your KONICA MINOLTA machine.
 
Note
If the error message remains, open and 
close the front cover and fuser cover firmly 
to reset the machine.
 
CAUTION 
HOT SURFACE
After you have just used the machine, some 
internal parts of the machine will be 
extremely hot. To prevent injury, when you 
open the front or back cover (back output 
tray) of the machine DO NOT touch the 
shaded parts shown in the illustration. If you 
do this you may get burned.
 
 
IMPORTANT
To prevent damage to the machine 
caused by static electricity, DO NOT touch 
the electrodes shown in the illustration.
 
Note
The LCD names for the paper trays are as 
follows:
• Standard paper tray: Tray 1
• Optional lower tray: Tray 2
• Multi-purpose tray: MP Tray
 
 
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