HP DesignJet 500 / 510 / 800 Paper Axis Encoder Service may be required

HP Wide-Format Printer Troubleshooting

HP DesignJet 500/510/800 Error 85:10 – Paper-Axis Encoder error

Paper-Axis Encoder error.

Applicable models
HP DesignJet 500510800

What error 85:10 means

Error 85:10 on HP DesignJet 500/510/800 indicates Paper-Axis Encoder error. The Drive Roller Encoder Sensor cannot find the zero position of the Encoder Disk. The source places this code in the Paper Axis Encoder area.

Start here

What you can check first

  1. The supplied source does not document a customer-level corrective procedure for this exact code.
  2. Record error 85:10 and the printer model before changing settings or replacing parts.
  3. 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 85:10 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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