Printronix P5000 Guida All'Installazione Rapida

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Chapter 1
Troubleshooting
84 
Solving Print Quality Problems
If you are having print quality problems, locate your printer problem in 
Table 2 and do the Corrective Action. If more than one corrective action 
task is listed, test the printer after each task. If the problem persists, 
contact your Hewlett-Packard Customer Service Engineer.
Table 2. Troubleshooting
Problem
Corrective Action
Poor print quality:
dark print
light print
light print on half the page
missing dots or characters
smeared print
wavy vertical lines
1. Adjust the forms thickness lever 
setting. (Print quality can be affected if 
it is too loose or too tight.)
2. Adjust the paper tension horizontally 
by moving the right tractor. (Print 
quality can be affected if it is too loose 
or too tight.)
3. Make sure the ribbon threads 
around the ribbon guides and between 
the hammer bank cover and ribbon 
mask, as shown on the ribbon path 
diagram. Turn the ribbon spools to 
ensure that the ribbon tracks correctly 
in the ribbon path.
4. Clean the printer (page 81).
5. Replace the ribbon (page 54) with 
an approved ribbon.
Torn or damaged forms
1. Reset the forms thickness lever for 
thicker paper.
2. Check the paper slot for foreign 
material.
3. Adjust the horizontal paper tension.
Loss of forms position
Set the forms thickness lever for 
thicker paper.
Asterisk does not appear after you 
change a configuration parameter with 
the ENTER key.
With the printer off-line, press UP and 
DOWN simultaneously so that the 
display reads “UNLOCKED.” Display 
the configuration option you want to 
change. Press ENTER when the option 
is on the message display.