HP DesignJet T / Z Series Firmware / Paper Profiles

HP Wide-Format Printer Troubleshooting

HP DesignJet T/Z Error 74.1:YZ – Error uploading paper profile update file

Error uploading paper profile update file Try the following: Switch the power off from the back of the product and disconnect trhe power cord.

Applicable models
T510T520T610T620T1100T1120T120T1200T1300T770T790T920 +19 more

What error 74.1:YZ means

For HP DesignJet T/Z, error 74.1:YZ is associated with this condition: Error uploading paper profile update file. The source places this code in the Firmware / Paper Profiles area.

Start here

What you can check first

  1. Reconnect the power cord and power on the product.
  2. Switch the power off from the back of the product and disconnect trhe power cord.

When to call for service

If the error comes back

If error 74.1: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.

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