Konica Minolta bizhub 420 User Manual

							Troubleshooting12
bizhub 500/420/360 (Phase 3) 12-3
12 Troubleshooting
12.1 When the Message Malfunction Detected Appears 
(Call Technical Representative)
If a malfunction that cannot be corrected by the user occurred, the message 
Malfunction detected. Please call your Technical Representative. is 
displayed. (Call Technical Representative Screen)
The phone number and fax number for the usual technical representative is 
displayed on the center of the Call Technical Representative Screen.
When the screen is displayed, be sure to contact your technical 
representative immediately by following the procedure below.
Display in Enlarge Display Mode
If a malfunction occurs, the screen shown below is displayed.
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							12Troubleshooting
12-4 bizhub 500/420/360 (Phase 3)Touch [ ] to display the message shown in the following illustration.
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							Troubleshooting12
bizhub 500/420/360 (Phase 3) 12-5To call the technical representative
1Write down the malfunction code (for example, C-0001) in the Call 
Technical Representative Screen.
2Turn off the sub power switch and 
the main power switch.
3Unplug the machine.
4Contact the service representative, and inform them of the malfunction 
code.
!
Detail 
If CS Remote Care is being operated from the service representative, the 
service representative is automatically notified of the malfunction code. 
After the message Malfunction was detected. CS Remote Care has 
called the Service Center. is displayed, turn off the sub power switch 
and the main power switch, and then unplug the machine from the 
electrical outlet.
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							12Troubleshooting
12-6 bizhub 500/420/360 (Phase 3)
12.2 When the Message Misfeed Detected Is Displayed
If a misfeed occurs during copying or printing, the message Misfeed 
detected. is displayed and the location of the misfeed is indicated in the 
screen. (Misfeed Screen)
At this time, copying and printing cannot continue until the misfeed is 
adequately cleared.
If paper misfeeds have occurred at multiple locations, multiple jam numbers 
and arrows appear or flash.
The flashing jam number and arrow indicate locations where the paper 
misfeed should be cleared first.
Clear the paper misfeeds according to the messages that appear in the 
guidance display area.
21
3
No.ItemDescription
1 [Illustration] Touch this button to display a screen that contains illustra-
tions describing the recommended procedure for clearing the 
paper misfeed.
2 Guidance display area Displays the basic procedures for clearing paper misfeeds.
3 Illustration description 
areaJam number indicates the location of the paper misfeed, and 
the arrow indicates the operation for clearing the misfeed.
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							Troubleshooting12
bizhub 500/420/360 (Phase 3) 12-7
2
Reminder 
Before clearing paper misfeeds, be sure to check pages 1-13 to 1-14 for 
the locations of caution labels.
2
Note 
The illustration above shows all jam numbers and arrows displayed; 
however, normally, all marks will not be displayed.
Error codes may appear in the illustration description area of the JAM 
Location Display Screen. For details, contact your service representative.
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							12Troubleshooting
12-8 bizhub 500/420/360 (Phase 3)To clear a paper misfeed
0When removing misfeed paper, be careful that the paper does not tear 
and remain in the machine.
0When the right side door and conveyance cover are opened, it is possible 
to touch the drum. Do not touch or scratch the surface of the drum.
Do not leave opened the conveyance cover for a long time. The drum 
may be damaged by a long period of exposure.
1The illustration screen is displayed.
Touch [Illustration] on the JAM Location Display Screen.
2Clear the paper misfeed according to the instructions that are 
displayed on the screen.
– If the description of the illustration extends over multiple pages, 
[Next  ] is displayed on the lower-right corner of the screen. Touch 
[Next  ] to display the next screen.
– To return to the previous illustration description screen, touch 
[Back].
3After the procedure is finished, the Basic Screen is displayed.
– If paper misfeeds occurred at multiple locations, the JAM Location 
Display Screen is restored. Check the screen for messages and the 
location of the next misfeed to be cleared, and then repeat steps 1 
and 2.
– After all paper misfeeds have been cleared, the Basic Screen is 
restored.
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							Troubleshooting12
bizhub 500/420/360 (Phase 3) 12-9
7 CAUTION 
Precaution for electrical shock
High voltage is generated around the drum unit inside the right side door of 
the machine.
%In order to reduce the risk of electric shock, do not touch any part in 
this unit when clearing paper misfeeds.
7 CAUTION 
Precaution for high temperature
The fusing unit inside the right side door of the machine is extremely hot.
%In order to reduce the risk of burns, do not touch any part in this unit 
when clearing paper misfeeds.
7 CAUTION 
Precaution for getting injured
%Be careful of removing staples stuck inside the machine so as not to 
get injured.
7 CAUTION 
Precaution for high temperature
Parts around the rail for stapler of the Finisher FS-510 are extremely hot.
%In order to reduce the risk of burns, do not touch any part in this unit 
when clearing paper misfeeds.
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							12Troubleshooting
12-10 bizhub 500/420/360 (Phase 3)
12.3 When the Message ...Not Enough Remaining 
Memory Is Displayed
This machine uses the memory to produce copies.
Since the amount of memory available is limited, the message Scanning 
cannot be continued. Not enough remaining memory. or The job has been 
deleted. Not enough remaining memory. is displayed if the memory 
becomes full while copying.
Continue the operation according to the corresponding instructions.
Memory Becomes Full While Scanning
This message is displayed when the memory becomes full and scanning 
stops while scanning in Copy mode.
Display in Enlarge Display Mode
Continue the operation according to the following instructions.
-To print all pages that have been scanned, touch [Print].
-To delete the job for the scanned pages, touch [Delete].
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							Troubleshooting12
bizhub 500/420/360 (Phase 3) 12-11Memory Becomes Full While Queuing a Job
This message is displayed when the memory becomes full and the scanned 
job was deleted while scanning a document for a job to be queued.
Display in Enlarge Display Mode
Check the number of pages counted for the document, and then adjust the 
number of pages in the job to be queued.
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							12Troubleshooting
12-12 bizhub 500/420/360 (Phase 3)
12.4 Simple Troubleshooting
SymptomPossible CauseRemedy
Main 
bodyThe machine does not 
start up when the main 
power switch is turned 
on.Is no power supplied 
from the electrical out-
let?After the main power switch and 
sub power switch are turned off, 
correctly insert the power supply 
plug into the electrical outlet.
Has the sub power 
switch been turned on?Turn on the sub power switch.
Correctly insert the 
power supply plug into 
the electrical outlet.Are the doors, such as 
the front doors (left and 
right) or the finisher 
door, open?Securely close the doors, such 
as the front doors (left and right) 
and the finisher door.
Is there no paper that 
matches the docu-
ment?Load paper of the appropriate 
size into the paper tray.
The printed output is 
too light.Is the copy density set 
too light?Touch [Dark] in the Density 
Screen to copy at the desired 
copy density. (page 4-16)
Is the paper damp? Replace the paper with new pa-
per.
The printed output is 
too dark.Is the copy density set 
too dark?Touch [Light] in the Density 
Screen to copy at the desired 
copy density. (page 4-16)
Was the document not 
pressed close enough 
against the original 
glass?Position the document so that it 
is pressed closely against the 
original glass. 
The printed output is 
blurry.Is the paper damp? Replace the paper with new pa-
per.
Was the document not 
pressed close enough 
against the original 
glass?Position the document so that it 
is pressed closely against the 
original glass.
There are dark specks 
or spots throughout the 
printed output. There 
are streaks in the print-
ed output.Is the original glass 
dirty?Wipe the glass with a soft, dry 
cloth. (page 13-3)
Is the left partition glass 
dirty?Wipe the glass with a soft, dry 
cloth. (page 13-3)
Is the document pad 
dirty?Wipe the document pad with a 
soft, dry cloth. (page 13-4)
Was the original docu-
ment printed on highly 
translucent material, 
such as trace paper or 
overhead projector 
transparencies?Place a blank sheet of paper on 
top of the document. 
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