HP M750 series

Recommended action
1. Turn off the product, and then remove and reinstall the disk. Turn on the product.
2. If the error persists, replace the internal hard drive.
Internal disk spinning up
Description
Internal disk device is spinning up its platter. Jobs that require disk access must wait.
Recommended action
No action is necessary.
Load Tray <X>: [Type], [Size]
Description
This message displays even though there is media loaded in the tray.
Recommended action
Use the cassette media present sensor test in the Tray/bin manual sensor test to verify that the sensor is
correctly functioning.
Make sure that the sensor flag on the media presence sensor is not damaged and moves freely.
Reconnect the corresponding connector:
●
MP tray: connector (J736) on the MP tray media out sensor and the connector (J152) on the DC
controller PCA.
●
Printer cassette: connectors (J739 and J742) on the cassette media out sensor and the connector (J151)
on the DC controller PCA.
●
1 X 500-sheet paper feeder cassette: connector (J702D) on the paper feeder cassette media out sensor
and the connector (J2003) on the paper feeder controller PCA.
●
Paper deck cassette 1: connector (J702D) on the paper deck cassette 1 media out sensor and connector
(J2003) on the paper deck controller PCA 1
●
Paper deck cassette 2: connector (J802D) on the paper deck cassette 2 media out sensor and connector
(J2003B) on the paper deck controller PCA 2.
●
Paper deck cassette 3: connector (J902D) on the paper deck cassette 3 media out sensor and connector
(J2003C) on the paper deck controller PCA 3.
Load Tray <X>: [Type], [Size] To use another tray, touch OK
Description
This message displays when the indicated tray is selected but is not loaded, and other paper trays are
available for use. It also displays when the tray is configured for a different paper type or size than the print
job requires.
Recommended action
Load the correct paper in the tray.
472 Chapter 3 Solve problems ENWW