HP LaserJet 1010 series

Operational overview
This chapter describes the general components of the HP LaserJet 1010 series and their
theory of operation.
Basic functions........................................................................................................................ 36
Formatter system....................................................................................................................37
Central processing unit ....................................................................................................37
RAM.................................................................................................................................. 37
Universal Serial Bus interface..........................................................................................37
Parallel interface (HP LaserJet 1015 only).......................................................................37
Control panel.................................................................................................................... 37
Draft mode .......................................................................................................................38
MEt................................................................................................................................... 38
Enhanced I/O ...................................................................................................................38
PJL overview ...................................................................................................................38
Printer functions...................................................................................................................... 39
Engine control system (engine control unit and power assembly)...................................39
Image formation system...................................................................................................43
Printer paper feed system................................................................................................44
Jam detection ..................................................................................................................46
Solenoid, sensors, and switches......................................................................................46
Basic sequence of operation (formatter-to-printer)...........................................................47
ENWW 35