HP
Model:LaserJet 4
Production Years: 
Port:Parallel, Serial
Type of printer:Laser
Media load direction: Bottom Tray
Memory:2Mb
DPI:Black: 600x600
Features:PCL Printer Language: Enhanced Level 5
Optional I/O (MIO): Yes
Status Checking for HP 3000: Optional
Video I/O: No
AppleTalk I/O: Optional
Font Cartridge Slots: 1
User Memory: 1.6 MB - 300 dpi/1.4 MB - 600 dpi
Fonts Per Page: Limited Only By Memory
Downloadable Soft Fonts: Limited Only By Memory
Macros/Forms: Limited Only By Memory
Forms Overlay: Yes
Rules, Gray Shades, Patterns: Yes
Character Height: Limited Only By Memory and Page Size
Duplex: No
Auto Font Rotation: Yes
Macro Cartridge Support: Yes
Page Count: Yes
Page Protect: Yes*
* Requires additional memory (4 Mb) for 600-dpi, but not for 300-dpi.