Xerox DocuColor 12 User Manual

DOCUCOLOR 12 USER GUIDE12–11 PROBLEM SOLVING
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7 Paper jam inside Paper Tray 5
1Use the message that displays on the Touch 
Screen to locate the paper jam.
2If necessary, grasp the centre top handle and 
raise the top of Paper Tray 5 toward the copier/
printer to access the jam, as illustrated in Figure 
16 and Figure 17.
3Remove all of the visible jammed paper, including 
any partially fed sheets.
If you cannot grasp all of the jammed paper at the 
entrance of Paper Tray 5, open the Front...

PROBLEM SOLVING12–12 DOCUCOLOR 12 USER GUIDE
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Resolving hardware problems
WARNING: When clearing the paper path in the 
Fuser area (located in the Paper Path Module), 
remember that the surfaces are hot. To avoid 
injury, proceed with caution when clearing the 
path.
ProblemSuggested Solution
Dry Ink (Toner) Cartridge:
• Operator cannot reinsert a partially full dry 
ink (toner) cartridge after it has been 
removed.
• Operator mistakenly removed the wrong dry 
ink (toner) cartridge and...

DOCUCOLOR 12 USER GUIDE12–13 PROBLEM SOLVING
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Resolving programming problems
ProblemSuggested Solution
The Control Panel Touch Screen does not 
respond to a touch command.Press Clear All on the Control panel.
Touch a selectable button on the Touch 
Screen with one finger. A slight pressure is 
required to cause the copier/printer to react.
If the problem persists, open the Front Door of 
the copier/printer. Close the Front Door and 
make a selection on the Touch Screen. If the 
Touch Screen...

PROBLEM SOLVING12–14 DOCUCOLOR 12 USER GUIDE
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Resolving Processor problems
ProblemSuggested Solution
Transparencies Use transparencies with a painted or removable white stripe. Load them with 
stripe down, as the lead edge of the sheet in Paper Tray 5.
Load the transparencies by following the instructions in the section, “Paper and 
Paper Trays.”
Transparencies are too oily • Make 5 blank sheet copies with the Full Colour option on paper stock to 
purge excess oil from system. Reload the...

DOCUCOLOR 12 USER GUIDE12–15 PROBLEM SOLVING
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ProblemSuggested Solution
Paper jams when exiting 
the Paper TraysEnsure that the edge guides of the paper tray fit snugly against the paper stack.
Do not fill the paper trays above the MAX fill line indicator. Tray 1 holds approx-
imately 500 sheets of 20 lb. (80 gsm) paper. Trays 2, 3, and 4 hold approxi-
mately 550 sheets of 20 lb. (80 gsm) paper.
Close the tray slowly to avoid shifting the paper stack.
Output jams when exiting 
the...

PROBLEM SOLVING12–16 DOCUCOLOR 12 USER GUIDE
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Excessive paper curl Paper curl may be a result of:
• The mass of dry ink (toner) coverage on the copy - the greater the toner 
mass, the greater the paper curl.
• The paper weight.
• The humidity conditions at the copier/printer.
You can sometimes minimize curl problems by flipping the paper over in the 
tray and making the copies again. If excessive curl is still present, use a 
heavier paper.
Ensure the paper matches the type defined for the...

DOCUCOLOR 12 USER GUIDE12–17 PROBLEM SOLVING
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Resolving output quality problems using the 
Basic Copying, Added Features, or Image Quality Tabs
ProblemSuggested Solution
Moiré patterns on the copies This problem sometimes occurs when original 
documents have halftone images. Perform the 
following suggested solutions in the following 
order:
• Select Halftone as the Original Type.
• Rotate the original on the Document Glass 
by 180 degrees.
• Reduce or enlarge the output by 5%.
• Use the...

PROBLEM SOLVING12–18 DOCUCOLOR 12 USER GUIDE
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A black border appears at the edge of the 
copy when a reduction option is selected.Select the Auto Shift option in the Margin Shift 
feature or the Edge Erase feature of the 
Added Features tab.
A black border appears on the copy of a small 
document.Select the Auto Shift option in the Margin Shift 
feature or the Edge Erase feature of the 
Added Features tab.
Or:
Program the Original Size in the Added Fea-
tures tab for the dark bordered...

DOCUCOLOR 12 USER GUIDE12–19 PROBLEM SOLVING
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Output has low contrast. Select more colour (toward Vivid) Saturation 
in the Image Quality tab. Select the Graphics 
& Maps option in the Original Type feature.
Background on the copies. Examine the input document for the source of 
the problem.
Ensure that the document is held flat on the 
Document Glass and that the document cover 
is closed.
From the Image Quality tab, adjust the 
Lighten/Darken control to Lighten.
When making Black copies,...

PROBLEM SOLVING12–20 DOCUCOLOR 12 USER GUIDE
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The image quality gradually degrades on suc-
cessive copies, or copies made with settings 
used previously are significantly worse than 
copies you are making now.The internal process control function of the 
copier/printer has degraded.
Place a white sheet of paper on the Document 
Glass and run 35 blank copies using Full 
Colour in the Output Colour feature. Make a 
copy of the document again. The copy quality 
output should be improved. If...