HP 772n (US/CAN) Disc Ejection Mechanism, Volume Control, Manual Ejection, Auto Insertion, Action

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Disc Ejection Mechanism

Table 18 Disc Ejection States for the hp dvd-writer dvd100i Drive

Tray Position	Action	Response
Tray is closed and drive is in	Depress Load/Eject button	Tray will open if not in
READY state		locked state.
Tray is closing or tray is	Depress Load/Eject button	Tray will open.
closed and drive has not yet
come READY
Tray is open or opening	Depress Load/Eject button	Tray will close

Manual Ejection

The drive has a manual ejection button on the front bezel. When pressed, it activates the electrical signal to open and close the tray. The manual ejection facility functions upon power-up, but it can be disabled by the host computer through the Prevent/ Allow Medium Removal command, which is software controlled.

Auto Insertion

The tray automatically closes when it is pushed.

Table 20 Auto Insertion Specification

Maximum force	5.5 Kgf
Stroke	3 mm

The drive is designed to respond within 1 second.

Ejecting Position

The tray is ejected approximately 64.5 mm from the front of the front bezel to the center of the disc.

Volume Control

The Volume Control on the front of the hp dvd-writer dvd100i drive (shown in Figure 28) controls the output volume to the headphone jack.

Emergency Ejection

The tray is ejectable by pushing a pin or standard size paper clip into the emergency eject pinhole on the front bezel. The emergency ejection mechanism functions even without power to the drive and with the prevent bit set.

Table 19 Emergency Ejection Specification

Maximum force	3.5 Kgf
Stroke of pin insertion	40 mm
Recommended diameter of pin	1.2 mm

hp dvd-writer dvd100i Technical Support Solutions Guide 10/25/01 Disc Ejection Mechanism

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