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
Page 52
...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 EconoMode (HP LaserJet 4 Plus and 5 only) The EconoMode setting uses approximately 50% less toner than... to produce "smoothed" black-to-white boundaries. REt is user selectable via a front panel key, a Printer Job Language (PJL) sequence using HP Explorer's Remote Control Panel or through application software. Note REt settings sent from some software applications.
...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 EconoMode (HP LaserJet 4 Plus and 5 only) The EconoMode setting uses approximately 50% less toner than... to produce "smoothed" black-to-white boundaries. REt is user selectable via a front panel key, a Printer Job Language (PJL) sequence using HP Explorer's Remote Control Panel or through application software. Note REt settings sent from some software applications.
Service Manual
Page 69
... from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. Serial Configuration Use RS-232C serial configuration when the printer is set to locate the printer between the printer and the host. Since the default-printer I /O is parallel, ...(not available on the printer control panel for the High Speed Parallel I /O setting on the printer is located 11 to change the settings on the LaserJet 4 Plus or 5). The default BAUD rate setting is ON. Configuration 3-33 Protocol on the printer is YES. This default...
... from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. Serial Configuration Use RS-232C serial configuration when the printer is set to locate the printer between the printer and the host. Since the default-printer I /O is parallel, ...(not available on the printer control panel for the High Speed Parallel I /O setting on the printer is located 11 to change the settings on the LaserJet 4 Plus or 5). The default BAUD rate setting is ON. Configuration 3-33 Protocol on the printer is YES. This default...
Service Manual
Page 102
... panel, through HP's Remote Control Panel or through a software application with regulated temperature and humidity). • Away from the box. • In a normal office environment (for example, a location with the appropriate printer driver. the maximum shelf life of storage including usage; Always ...are ready to this as "draft mode". 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. Some software applications may refer to use it. Software settings always...
... panel, through HP's Remote Control Panel or through a software application with regulated temperature and humidity). • Away from the box. • In a normal office environment (for example, a location with the appropriate printer driver. the maximum shelf life of storage including usage; Always ...are ready to this as "draft mode". 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. Some software applications may refer to use it. Software settings always...