HP Wide-Format Printer Troubleshooting
HP DesignJet T/Z Error 87:YZ – Problem finding the Scan-axis/Carriage sensor encoder reading
Problem finding the Scan-axis/Carriage sensor encoder reading.
Applicable models
T510T520T610T620T1100T1120T120T1200T1300T770T790T920 +19 more
What error 87:YZ means
Error 87:YZ on HP DesignJet T/Z indicates Problem finding the Scan-axis/Carriage sensor encoder reading. The source places this code in the Carriage Encoder 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.
- Movement jam - possible paper jam.
When to call for service
If the error comes back
If error 87: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.