HP Wide-Format Printer Troubleshooting
HP DesignJet T/Z Error 93:YZ – Unable to pressurize the Ink Delivery System
Unable to pressurize the Ink Delivery System.
Applicable models
T510T520T610T620T1100T1120T120T1200T1300T770T790T920 +19 more
What error 93:YZ means
Error 93:YZ on HP DesignJet T/Z indicates Unable to pressurize the Ink Delivery System. The ISS Motor does not move as expected. The source places this code in the Ink Delivery System area.
Start here
What you can check first
- Switch the Power OFF from the back of the Printer and disconnect the Power cord.
- Reconnect the power cord and power ON the Printer.
When to call for service
If the error comes back
If error 93: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.