HP Wide-Format Printer Troubleshooting
HP DesignJet T/Z Error 79:YZ – Generic Firmware error
Generic Firmware error.
Applicable models
T510T520T610T620T1100T1120T120T1200T1300T770T790T920 +19 more
What error 79:YZ means
Error 79:YZ on HP DesignJet T/Z indicates Generic Firmware error. The source places this code in the Firmware area.
Start here
What you can check first
- Switch the Power OFF from the back of the Printer and disconnect thePower cord.
- Reconnect the power cord and power On the Printer.
- Check that the Printer has the latest Firmware version.
- If not, update the Firmware to the latest version.
When to call for service
If the error comes back
If error 79:YZ remains after the customer-level checks above, the supplied source directs the user to service or support. Send LCR the exact code and printer model so the service request can be triaged with the error information attached.
When you contact LCR, include the exact error code, printer model, what happened immediately before the error, and whether it returns after a restart.