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 Available settings are Light..., Medium, Dark or Off. 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. The default setting is OFF. EconoMode (HP LaserJet 4 Plus...
...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 Available settings are Light..., Medium, Dark or Off. 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. The default setting is OFF. EconoMode (HP LaserJet 4 Plus...
Service Manual
Page 69
...at a higher rate supported by newer computers. Protocol on the LaserJet 4 Plus or 5). BAUD Rate The BAUD-rate setting tells the printer how fast information is YES. Advanced Functions The Advanced Functions feature of the printer enables bi-directional communications between 51 and 2000 feet from the ...computer. If it is set on the printer is located 11 to 50 feet from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. Protocol on both the printer and the computer. Serial Configuration Use RS-232C serial ...
...at a higher rate supported by newer computers. Protocol on the LaserJet 4 Plus or 5). BAUD Rate The BAUD-rate setting tells the printer how fast information is YES. Advanced Functions The Advanced Functions feature of the printer enables bi-directional communications between 51 and 2000 feet from the ...computer. If it is set on the printer is located 11 to 50 feet from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. Protocol on both the printer and the computer. Serial Configuration Use RS-232C serial ...
Service Manual
Page 102
...from the box. • In a normal office environment (for example, a location 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. Saving Toner with regulated temperature and humidity). • Away from direct sunlight or other strong light....to use it. Software settings always override control panel selections. Note EconoMode is printed on or off via the printer control panel, through HP's Remote Control Panel or through a software application with the appropriate printer driver.
...from the box. • In a normal office environment (for example, a location 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. Saving Toner with regulated temperature and humidity). • Away from direct sunlight or other strong light....to use it. Software settings always override control panel selections. Note EconoMode is printed on or off via the printer control panel, through HP's Remote Control Panel or through a software application with the appropriate printer driver.