vi
T A B L E O F C O N T E N T S
14
15
16
On/Off Line Key ............................................................................... 123
FF/Cont Key ..................................................................................... 123
Test/Reset Key .................................................................................. 123
Print Priority Key .............................................................................. 123
Acceptable Paper .............................................................................. 125
Memory Board ................................................................................... 127
For the Fax .................................................................................... 127
Optional Paper Tray .......................................................................... 128
For Your Safety ............................................................................. 132
Disconnect device ......................................................................... 132
IMPORTANT ............................................................................... 132
Troubleshooting .................................................................................. 133
Error Messages ................................................................................. 133
Document Jam .................................................................................. 136
Printer Jam ........................................................................................ 136
Error ........................................................................................... 145
HP LaserJet 4 Plus: ....................................................................... 146