Konica Minolta bizhub 20 User Manual

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Menu access difficulties
DifficultiesSuggestions
Key operations do not work. Check the control panel is fitted correctly on the machine.
Reinstall the control panel.
The machine beeps when you try to 
access the Setup Receive and 
Setup Send menus.If Fax is not illuminated, press it to turn on Fax mode. The Setup Receive setting 
(Menu, 2, 1) and Setup Send setting (Menu, 2, 2) are available only when the 
machine is in Fax mode.
Copy difficulties
DifficultiesSuggestions
Cannot make a copy.Make sure...

Troubleshooting and routine maintenance
113
C
The machine prints unexpectedly 
or it prints garbage.Pull out the paper tray and wait until the machine stops printing. Then turn off 
the machine and disconnect from the power for several minutes. (The 
machine can be turned off for up to 60 hours without losing faxes stored in the 
memory.)
Check the settings in your application to make sure it is set up to work with 
your machine.
If you are using the parallel port connection, check that the port is...

114
Paper handling difficulties
DifficultiesSuggestions
The machine does not load paper.
The LCD shows No Paper or a 
Paper Jam message. If there is no paper, load a new stack of paper into the paper tray.
If there is paper in the paper tray, make sure it is straight. If the paper is curled, 
you should straighten it. Sometimes it is helpful to remove the paper, turn the 
stack over and put it back into the paper tray.
Reduce the amount of paper in the paper tray, and then try again.
Check that the...

Troubleshooting and routine maintenance
115
C
The network scanning feature 
does not work.
The network PC Fax Receive 
feature does not work.
The network printing feature does 
not work.(Windows®) The firewall setting on your PC may be rejecting the necessary 
network connection. Follow the instructions below to configure Windows® 
Firewall. If you are using other personal firewall software, see the User’s Guide 
for your software or contact the software manufacturer.
 (Windows
® XP SP2)
aClick the Start...

116
The network scanning feature 
does not work.
The network PC Fax Receive 
feature does not work.
The network printing feature does 
not work.
(continued)(Windows Vista®):
aClick the Start button, Control Panel, Network and Internet, 
Windows Firewall and click Change settings.
bWhen the User Account Control screen appears, do the following.
Users who have administrator rights: Click Continue.
For users who do not have administrator rights: Enter the 
administrator password and click OK.
cMake sure...

Troubleshooting and routine maintenance
117
C
Improving the print qualityC
Examples of poor print 
qualityRecommendation
 
White lines across the pageMake sure that you use paper that meets our specifications. A rough 
surfaced paper or thick print media can cause the problem. (See 
Acceptable paper and other print media on page 12.)
Make sure that you choose the appropriate media type in the printer 
driver or in the machine
’s Paper Type menu setting. (See Acceptable 
paper and other print media on...

118
 
Page skewedMake sure that the paper or other print media is loaded correctly in 
the paper tray and that the guides are not too tight or too loose 
against the paper stack.
Set the paper guides correctly. (See Loading paper in the standard 
paper tray on page 8.)
If you are using the MP tray, see Loading paper in the multi-purpose 
tray (MP tray) on page 9.
The paper tray may be too full.
Check the paper type and quality. (See Acceptable paper and other 
print media on page 12.)
 
GhostMake...

Troubleshooting and routine maintenance
119
C
 
Envelope Creases
aOpen the back cover.
bPull the blue lever until the mark (c) reaches beside the mark 
( ) as shown below.
cResend the print job. 
Note
When you have finished printing, open the back cover and reset the 
two blue levers back to their original position.
 
 
Curled or wavyCheck the paper type and quality. High temperatures and high 
humidity will cause paper to curl.
If you do not use the machine often, the paper may have been in the 
paper...

120
 
CurledTurn the paper over in the paper tray, and print again. (Excluding 
Letterhead paper) If the problem remains, switch the Anti-Curl Lever 
as follows:
1 Open the back cover.
 
2 Lift the lever (1) and slide the lever (2) in the direction of the arrow.
 
Lift up the Output Tray Support Flap (1).
 
Choose Reduce Paper Curl mode in the printer driver. (See Other 
Print Options (For Windows
®) or Print Settings (For Macintosh®) in 
the Software Users Guide on the CD/DVD-ROM.)
Examples of poor...

Troubleshooting and routine maintenance
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C
 
FaintCheck the machine
’s environment. Conditions such as humidity, high 
temperatures, and so on, may cause this print fault. (See Choosing a 
location on page 92.)
If the whole page is too light, Toner Save mode may be on. Turn off 
Toner Save mode in the machine menu settings or Toner Save 
mode in the printer Properties of the driver. (See Toner Save 
on page 24 or Advanced tab in the Software User’s Guide on the 
CD/DVD-ROM.)
Clean the scanner...