HP DesignJet 500 / 510 / 800 Servo Service may be required

HP Wide-Format Printer Troubleshooting

HP DesignJet 500/510/800 Error 73:04 – Servo Error

Servo Error.

Applicable models
HP DesignJet 500510800

What error 73:04 means

Error 73:04 on HP DesignJet 500/510/800 indicates Servo Error. The source places this code in the Servo area.

Start here

What you can check first

  1. Switch the Printer Off and wait a few minutes.
  2. Switch the Printer On again and check if the Error Code has disappeared.

When to call for service

If the error comes back

If error 73:04 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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