If the Diagnostic and the Wait lights continue to flash after cleaning and restarting, then there may be camera position errors that require professional service.

wait light

The Wait light comes on when the scanner power is turned

on, and stays on during the internal diagnostic and stabilization phase.

The Wait light reveals the status of the scanner’s self-adjustment procedure, which consists of both stitching and light profile adjustment. If the scanner does not self adjust the stitching and light profiles may change over time due to thermal changes in the scanner. The Wait light works in the following way:

•When the Wait light is off, the self-adjustment is up-to-date, and the scanner is ready to scan.

•When the Wait light is on, the scanner is warming up or re- adjusting; a scan may be issued, but quality may be compromised (when adjusting is completed, the Wait light turns off). To allow the scanner to self-adjust, do not remove the original or change Original Pressure Platen position while the Wait light is on.

•When the Wait light is flashing (and the Diagnostics light is off) re-adjusting is needed, but not possible; any original in the scanner should be removed, and Original Pressure Platen should be returned to the normal position (also in this situation a scan may be issued, but the quality will be compromised). When adjusting is again possible, the Wait light stops flashing, but continues to be on until the self-adjust is complete.

•The Wait light is on during basic calibration to indicate that the original should not be removed during this procedure The scanner keyboard is disabled during basic calibration for the same reason.

paper control area

paper forward and paper reverse keys

Use the Paper Control area when you insert your document.

The Paper Forward Key moves the drawing into the start-of-scan position. If the auto-load option is selected in your software, loading

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hp designjet 815mfp & scanner 4200