UDO LP400 User Guide
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LP400 User Guide (11/07)
45
Trouble Shooting
When a problem with the printer occurs, the POWER and/or READY lights will keep blinking.
Printing and communication between the computer and printer will stop. To understand what the
problem is, first look at the lights on the front of the printer. To continue print jobs after any
abnormal conditions have been resolved, simply press the panel feed button or switch the printer
off for 10 seconds then switch it on again. Make sure that the light is not blinking and reprint your
label.
POWER and READY Lights blink at the same time
Possible Problems Solutions
• Vinyl roll is empty
• Vinyl roll is not installed properly
• Label jam
Replace vinyl roll
• Re-install label roll properly
• Remove the jam
POWER and READY Lights Blink Alternately
Possible Problems Solutions
• Empty Ribbon cartridge
• Ribbon jam
Replace ribbon
• Remove the jam
Only the POWER Light blinks
Possible Problem Solution
• Cutter failed or jam at the cutter
• Hardware error
Check the cutter and remove any
jams
• Call NMC at (800) 453.2727 for
service
The computer shows “Printer Time Out” error message
Possible Problem Solution
• USB or power connection failed
Check all cable connections.
Confirm power is on and
connected properly to printer
The data has been sent, but nothing prints
Possible Problem Solution
• Printer is off
• Wrong printer is active
Turn on the printer
• Check ‘Printers and Faxes’ in the
Control Panel
Horizontal or Vertical streaks in the printout
Possible Problem Solution
• Dirty print head, ribbon or vinyl
• Vinyl or ribbon has been over
handled or left out of its bag
Clean the print head and platen
roller thoroughly using the cleaning
pen supplied
• Advance the vinyl or ribbon 1” – 2”
and reprint
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