Diagnostics

The printer includes a series of self-diagnostic tests designed to help solve printer hardware problems. If one of the tests encoun- ters an error, and error message appears, which includes:

Error code — always write down this code for future refer- ence by Technical Services.

Brief description of the error

A series of buttons that allow you to respond to the error. In some cases, you can ignore the error or enter a further diag- nostic routine. In other cases, you must restart the printer.

During the course of operating the printer, another class of error messages may appear on the control panel. In Novice mode, the ATTN (Attention) key blinks on the Ready or Front Page screen when the printer detects an error condition, or potential error condition. When you press this button, the panel displays one or more messages of the following types:

Warnings — the printer has detected a condition that, if left unaddressed, could result in substandard prints or a condi- tion that will require an action before printing can continue. Any action on your part is optional.

Actions — the printer has detected an error condition that stopped printing or will prevent printing from starting. You must correct the error before the printer will be ready to print.

In Expert mode, you can display current messages via the menu option, Warnings & Actions. See “Warnings & Actions” on page 3-14 for instructions.

Diagnostics

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HP H45000, H35000 manual Diagnostics