Xerox WorkCentre PE120i User Manual

Troubleshooting9.21
9
Printing Quality Problems
If the inside of the machine is dirty or paper has been loaded improperly, you may 
notice a reduction in print quality. See the table below to clear the problem. 
ConditionSuggested solutions
Light or faded print
If a vertical white streak or faded area appears on the page:
• The toner supply is low. You may be able to temporarily 
extend the toner cartridge life. See “Redistributing Toner” 
on page 8.7. If this does not improve the print quality, 
install...

Troubleshooting9.22
Vertical linesIf black vertical streaks appear on the page:
• The drum inside the toner cartridge has probably been 
scratched. Remove the toner cartridge and install a new 
one. See “Replacing the Toner Cartridge” on page 8.8.
If white vertical streaks appear on the page:
• The surface of the LSU part inside the machine may be 
dirty. Clean the LSU (see page 8.4).
The scan glass can be dirty:
• Clean glass with a dampended cloth. See “Cleaning the 
Scan Unit” on page 8.5.
Gray...

Troubleshooting9.23
9
Vertical repetitive 
defectsIf marks repeatedly appear on the printed side of the page at 
even intervals:
• The toner cartridge may be damaged. If a repetitive mark 
occurs on the page at intervals of 75.4 mm, print a 
cleaning sheet several times to clean the cartridge; see 
“Cleaning the Drum” on page 8.10. After the printout, if 
you still have the same problems, remove the toner 
cartridge and install a new one. See “Replacing the Toner 
Cartridge” on page 8.8.
• Parts of the...

Troubleshooting9.24
Page skew• Ensure that the paper is loaded properly.
• Check the paper type and quality. See “Paper 
Specifications” on page E.6.
• Ensure that the paper or other material is loaded correctly 
and the guides are not too tight or too loose against the 
paper stack.
• Try feeding paper through a different paper supply.
Curl or wave• Ensure that the paper is loaded properly.
• Check the paper type and quality. Both high temperature 
and humidity can cause paper curl. See “Paper...

Troubleshooting9.25
9
Loose toner• Clean the inside of the machine. See “Cleaning the Inside” 
on page 8.3.
• Check the paper type and quality. See “Paper 
Specifications” on page E.6.
• Remove the toner cartridge and install a new one. See 
“Replacing the Toner Cartridge” on page 8.8.
• If the problem persists, the machine may require repair. 
Contact a service representative.
• Fuser may be defective.
Character VoidsCharacter voids are white areas within parts of characters 
that should be solid...

Troubleshooting9.26
Copying Problems
ConditionSuggested solutions
Copies are too light or too 
dark.Use the Lighten/Darken button to darken or 
lighten the background of the copies.
Smears, lines, marks, or 
spots appears on copies.• If defects are on the original, press the 
Lighten/
Darken
 button to lighten the background of your 
copies.
• If no defects are on the original, clean the scan unit. 
See page 8.5.
Copy image is skewed. • Ensure that the original is face down on the 
document glass or face...

Troubleshooting9.27
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Scanning Problems
ConditionSuggested solutions
The scanner does not work but 
the copy function is ok.• Make sure that you place the document to be 
scanned face down on the document glass, or 
face up in the Automatic Document Feeder.
• There may not be enough available memory to 
hold the document you want to scan. Try the 
Prescan function to see if that works. Try 
lowering the scan resolution rate.
• Check that the USB or parallel cable is 
connected properly.
• Make sure that...

Troubleshooting9.28
Fax Problems 
Message appears on your 
computer screen:
• “Device cant be set to the H/W 
mode you want.”
• “Port is being used by another 
program.”
•“Port is Disabled.
• “Scanner is busy receiving or 
printing data. When the current 
job is completed, try again.”
• “Invalid handle.”
• “Scanning has failed.”• There may be a copying or printing job in 
progress. When that job is complete, try your 
job again.
• The Selected port is currently being used. 
Restart your computer and try...

Troubleshooting9.29
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The machine does not 
send.• Make sure that the document is loaded in the ADF or 
on the document glass. 
• “Sending” should show up on the display. 
• Check the fax machine you are sending to, to see if it 
can receive your fax.
The incoming fax has 
blank spaces or is of poor-
quality.• The fax machine sending you the fax may be faulty. 
• A noisy phone line can cause line errors. 
• Check your machine by making a copy. 
• The toner cartridge may be empty. Replace the toner...

Troubleshooting9.30
Common Linux Problems
ProblemPossible Cause and Solution
The machine doesn’t 
print• Check if the printer driver is installed in your system. Open 
MFP configurator and switch to the Printers tab in Printers 
configuration window to look at the list of available 
printers. Make sure that your machine is displayed on the 
list. If not, please, invoke Add new printer wizard to set up 
your device.
• Check if the printer is started. Open Printers configuration 
and select your machine on...