Printronix SLPA8000 User Manual page 226

Chapter 6
Troubleshooting Other Symptoms
Symptom
Communications failures.
Black squares on the control
panel display.
Control panel keys do not
work after attempting to print
a configuration or test label.
Control panel keys do not
work, but printer prints in
ONLINE mode.
LCD message display is
illuminated and the printer
appears to be working, but
nothing is printed.
LCD is backlit, no messages
display, and a faint horizontal
line appears on the display.
226
Table 12. General Symptom List
CONTROL PANEL
1. Check the interface cable.
2. Check the configuration to ensure the correct interface is
enabled.
3. Verify the printer is receiving data by viewing the Data
indicator on the control panel.
1. Install the Flash SIMM.
2. If the message reappears, replace the Flash SIMM with a
Flash SIMM that has working boot code.
3. Redownload software (page 261).
1. Cycle power.
2. Set GPIO Print&Apply to Disable in the GPIO CONTROL
menu.
A wire is broken or a pin is not making contact in the control
panel cable assembly. Replace the control panel cable
assembly.
1. Verify that the labels are the correct type (direct thermal).
2. Check that the media is loaded with the direct thermal side
facing up.
3. Check that the transfer ribbon is correctly routed. Route
transfer ribbon with ink side out.
4. Check that the printhead assembly is properly closed by
pressing down on both sides of the pivoting deck. Make
sure the latches on each side of the pivoting deck are
locked.
5. Verify that the ribbon and media are compatible;
incompatibility can cause extremely light printing. Match
the ribbon to the type of media being used.
6. Check that the Print Intensity is correct. Set the Print
Intensity in the QUICK SETUP or MEDIA CONTROL
menu.
7. Check that the Label Width parameter value does not
exceed the width of the media installed. Set the Label
Width in the QUICK SETUP or MEDIA CONTROL menu.
A wire is broken or a pin is not making contact in the control
panel cable assembly. Replace the control panel cable
assembly.
Solution