HP DesignJet T / Z Series Front Panel Service may be required

HP Wide-Format Printer Troubleshooting

HP DesignJet T/Z Error 08:04 – Touch Control Panel communication to the product functions at the…

Touch Control Panel communication to the product functions at the initialisation, but during normal working is lost.

Applicable models
T510T520T610T620T1100T1120T120T1200T1300T770T790T920 +19 more

What error 08:04 means

Error 08:04 on HP DesignJet T/Z indicates Touch Control Panel communication to the product functions at the initialisation, but during normal working is lost. The source places this code in the Front Panel 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 08:04 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 08:04 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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