Service Manual
Page 5
... 1-2 Identification 1-3 Specifications 1-5 HP LaserJet 4 and 4 Plus 1-5 Related Documentation 1-7 Safety Information 1-8 Product and Laser Safety 1-8 FCC RFI Statement 1-9 Laser Statement (Sweden/Finland 1-10 Toner Safety 1-11 Ozone Statement 1-11 Doing Business with HP 1-12 Technical Assistance 1-12 HP ASAP 1-800-333-1917 (U.S 1-12 HP FIRST 1-12 HP FIRST, U.S 1-12 HP FIRST, Europe 1-12 HP AUDIO-TIPS 1-13 HP CompuServe Forum 1-13...
... 1-2 Identification 1-3 Specifications 1-5 HP LaserJet 4 and 4 Plus 1-5 Related Documentation 1-7 Safety Information 1-8 Product and Laser Safety 1-8 FCC RFI Statement 1-9 Laser Statement (Sweden/Finland 1-10 Toner Safety 1-11 Ozone Statement 1-11 Doing Business with HP 1-12 Technical Assistance 1-12 HP ASAP 1-800-333-1917 (U.S 1-12 HP FIRST 1-12 HP FIRST, U.S 1-12 HP FIRST, Europe 1-12 HP AUDIO-TIPS 1-13 HP CompuServe Forum 1-13...
Service Manual
Page 7
Printer Drivers 3-41 Install Printer Drivers and Utilities 3-41 How to Obtain Printer Drivers 3-41 DOS Utilities 3-42 Packing the Printer 3-43 Repackaging Instructions 3-43 Packing Checklist 3-43 Installing The Optional Lower Cassette 3-44 Loading Paper into the Optional Lower Cassette . . 3-45 Envelope Feeder Installation 3-49 LaserJet 4 and 4 Plus 3-50 LaserJet... 4-3 Cleaning Your Printer 4-4 Toner Cartridge 4-5 Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only 4-6 Storing the Toner Cartridge 4-6 Installing the Toner Cartridge 4-7 Non-HP Toner Cartridges 4-9 Clearing...
Printer Drivers 3-41 Install Printer Drivers and Utilities 3-41 How to Obtain Printer Drivers 3-41 DOS Utilities 3-42 Packing the Printer 3-43 Repackaging Instructions 3-43 Packing Checklist 3-43 Installing The Optional Lower Cassette 3-44 Loading Paper into the Optional Lower Cassette . . 3-45 Envelope Feeder Installation 3-49 LaserJet 4 and 4 Plus 3-50 LaserJet... 4-3 Cleaning Your Printer 4-4 Toner Cartridge 4-5 Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only 4-6 Storing the Toner Cartridge 4-6 Installing the Toner Cartridge 4-7 Non-HP Toner Cartridges 4-9 Clearing...
Service Manual
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...which can also be thought of as "draft mode," is user-adjustable from the front control panel, HP Explorer's Remote Control Panel (Print Quality Category) or from software or printer drivers override any control panel settings. 3-16 Configuration The default setting is Medium. The default setting is ...white boundaries. Available settings are Light, Medium, Dark or Off. Note REt settings sent from some software applications. EconoMode (HP LaserJet 4 Plus and 5 only) The EconoMode setting uses approximately 50% less toner than standard mode printing by reducing dot density.
...which can also be thought of as "draft mode," is user-adjustable from the front control panel, HP Explorer's Remote Control Panel (Print Quality Category) or from software or printer drivers override any control panel settings. 3-16 Configuration The default setting is Medium. The default setting is ...white boundaries. Available settings are Light, Medium, Dark or Off. Note REt settings sent from some software applications. EconoMode (HP LaserJet 4 Plus and 5 only) The EconoMode setting uses approximately 50% less toner than standard mode printing by reducing dot density.
Service Manual
Page 69
...to locate the printer between the printer and the host. Protocol on the LaserJet 4 Plus or 5). Serial Protocol When printing with older computers. If it is set by changing the control panel. This default setting (ON) must be set on the printer is parallel, ...below. Advanced Functions The Advanced Functions feature of the printer enables bi-directional communications between 51 and 2000 feet from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. Printer I/O Configuration Parallel Menu The default setting for serial...
...to locate the printer between the printer and the host. Protocol on the LaserJet 4 Plus or 5). Serial Protocol When printing with older computers. If it is set by changing the control panel. This default setting (ON) must be set on the printer is parallel, ...below. Advanced Functions The Advanced Functions feature of the printer enables bi-directional communications between 51 and 2000 feet from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. Printer I/O Configuration Parallel Menu The default setting for serial...
Service Manual
Page 102
... mode". EconoMode can be turned on or off via the printer control panel, through HP's Remote Control Panel or through a software application with the appropriate printer driver. Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only) Toner cartridge life can be extended dramatically by... using the EconoMode printing feature of the printer. the maximum shelf life of an opened cartridge package...
... mode". EconoMode can be turned on or off via the printer control panel, through HP's Remote Control Panel or through a software application with the appropriate printer driver. Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only) Toner cartridge life can be extended dramatically by... using the EconoMode printing feature of the printer. the maximum shelf life of an opened cartridge package...