Printronix SL4M - Manual (Page 188)

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Chapter 6 Diagnostics for E0xx, Bad NVM, or ILL NVM Errors
LCD message display is
illuminated and the printer
appears to be working, but
nothing prints and “Invalid
Data” displays. This message informs the user that the printer has received
data, but no valid commands were found. This typically occurs
when an incorrect emulation or SFCC was selected. This
message will continue to display until new data is received or
when the printer is put offline.
1. If the emulation and SFCC are correct, additional
diagnostic information can be obtained by selecting the
desired option under the “xxx Diagnostics” menu, found
under the Emulations menu.
2. Afer selecting the desired option, rerun the job to obtain
the additional diagnostic information.
ATTENTION! status indicator
is flashing.
1. When the status indicator light is flashing, check the LCD
for a specific fault message. If a fault message displays,
refer to Table 15, Fault Messages on page 196.
2. Check for an Out-of-Media condition or missing labels in
the middle of a roll. Load the correct media.
3. Check that the ribbon and label stock are correctly routed.
Load ribbon and label stock correctly.
Table 14. Printer Problems and Solutions (continued)
Symptom Solution/Explanation