HP LaserJet 4 Service Manual - Page 54
Network Security
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Network Security The HP LaserJet 4 Plus and 5 printers allow the System Administrator to lock out other user's ability to change most printer control panel settings. This is done by setting a password and turning LOCK on. The message MENU LOCKED will appear when a user tries to change the printer control panel settings. Note If you forget your password, you can perform a "Cold Reset" by holding down the [On Line] key (Go on LJ 5) while turning the printer on. There are four ways to implement printer security: 1 HP Explorer software's Remote Control Panel for DOS users, if you are directly connected to the printer through its parallel port. 2 HP LaserJet Utility for Macintosh users. 3 JetAdmin for Novell networks. 4 PJL escape sequence sent from any ASCII editor. Remote Control Panel (DOS) 1 Select OPTIONS from the Remote Control Panel screen. 2 Select SECURITY from the OPTIONS menu. 3 Select Use Password from the Printer Passwords box. 4 Type in the password and confirm it in the New Password box. Numeric password values can be set from 0 to 65535. (If you already have a password, go the the next step; you will be prompted for your password.) 5 To lock the printer's control panel, select ON in the Control Panel Lock box. HP LaserJet Utility (Macintosh) 1 Select the HP LaserJet Utility icon in the HP LaserJet folder on your hard drive. 2 If necessary, double click on the Select Printer button to select the the appropriate printer. 3 Under the Extras menu, select Control Panel Lock. 4 In the Control Panel Lock: HP LaserJet 4M Plus or 5M screen, click on the On (Locked) box, then click the OK button. You will be prompted to enter a password if the password has been set. If a password has not been set, go to the next step. 3-18 Configuration