HP Wide-Format Printer Troubleshooting
HP DesignJet T/Z Error 56:YZ – Drive Roller analog encoder homing (also known as “zero search”)…
Drive Roller analog encoder homing (also known as "zero search") failed.
Applicable models
T510T520T610T620T1100T1120T120T1200T1300T770T790T920 +19 more
What error 56:YZ means
Error 56:YZ on HP DesignJet T/Z indicates Drive Roller analog encoder homing (also known as "zero search") failed. The source places this code in the Drive Roller Encoder area.
Start here
What you can check first
- The supplied source does not document a customer-level corrective procedure for this exact code.
- Record error 56:YZ and the printer model before changing settings or replacing parts.
- If the printer remains in an error state, use the LCR service request so the exact code is included with the request.
When to call for service
If the error comes back
If error 56: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.