HP LaserJet 4, 5 Series Printers Service Manuals - English

HP LaserJet 4 / 4M (C2001A / C2021A)

HP LaserJet 4 Plus / 4M Plus (C2037A / C2039A)

HP LaserJet 5 / 5M /5N (C3916A/C3917A/ C3952A)

This manual uses the following conventions: Unless specifically stated otherwise, information applies to all seven printer models (LaserJet 4/4 Plus/4 M/4 M Plus/5/5 M/5 N). Most procedures are combined for all printers, except where they differ substantially. Color is used to emphasize items which are important to the material under discussion. The names of major printer parts and assemblies are Capitalized. Bold is used for emphasis, particularly in situations where italic type would be confusing. Italic type is used to indicate related documents or emphasis. COMPUTER type indicates text as seen on a computer monitor. type indicates text as seen on the printer’s 16 character LCD display panel (LaserJet 4Plus/4MPlus only).