HP C2021A, 5n C3952A, 5 C3916A, 5m C3917A, 4 plus C2037A, 4 C2001A manual

Control Panel Keys					3-2
Reset Menu					3-5
Control Panel Menus . . . . . . . . . . . . . . . . . . . 3-6
Printer Features				3-13
Page Protection (HP LaserJet 4 only)				3-13
Resource Saving (HP LaserJet 4 Plus and 5 only) . .				3-14
I/O Buffering (HP LaserJet 4 Plus and 5 only) . . . .				3-15
EconoMode (HP LaserJet 4 Plus and 5 only)				3-16
Resolution Enhancement (REt)				3-16
Memory Enhancement technology (MEt)
(HP LaserJet 4 Plus and 5 only)				3-17
Density				3-17
Network Security				3-18
Remote Control Panel (DOS)				3-18
HP LaserJet Utility (Macintosh)				3-18
HP JetAdmin Utility (Novell Networks)				3-19
Service Mode				3-20
Setting the Page Count				3-21
Setting the Cold Reset Default		. . . . . . . . . . .		3-22
Cold Reset				3-23
Understanding the PCL Self Test Printout			. . . . . .	3-24
Changing the Control Panel Display Language . . . .				3-28
Test Print Button				3-29
System Configuration	. . . . . . . . . . . . . . . . .			3-31
MS-DOS System Configuration				3-31
Parallel DOS Commands				3-31
Serial MS-DOS Commands				3-32
Printer I/O Configuration				3-33
Parallel Menu				3-33
Advanced Functions				3-33
Serial Configuration				3-33
Serial Protocol				3-33
BAUD Rate				3-33
Pacing (Handshaking)	. . . . . . . . . . . . . . .			3-34
Serial Cable Pin-outs				3-35
DB-9 RS-232 Serial Connection — HP LaserJet 4 . .				3-35
DB-25 RS-232 Serial Connection — HP LaserJet 4
Plus/5				3-36
DB-25 Serial Connection — HP LaserJet 4				3-37
DB-25 RS-232 Serial Connection — HP LaserJet 4
Plus/5				3-38
RS-422A Serial Connection (Not available on the
HP LaserJet 4 Plus or 5 printers)				3-39
RS-422A Serial Configuration (LaserJet 4 only) . . .				3-39
Modular I/O Configuration				3-40

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