HP P3010 Table of contents, 1 Theory of operation

Table of contents

1 Theory of operation
Basic operation .....................................................................................................................................	2
Major printer systems ..........................................................................................................	2
Printer block diagram ...........................................................................................................	2
Sequence of operation .........................................................................................................	3
Normal sequence of operation ............................................................................	3
Formatter-control system .....................................................................................................................	4
Sleep mode ..........................................................................................................................	4
Input/output ..........................................................................................................................	4
CPU .....................................................................................................................................	4
Memory ................................................................................................................................	5
Optional hard disk ...............................................................................................	5
Firmware .............................................................................................................	5
Nonvolatile memory ............................................................................................	5
PJL overview .......................................................................................................................	5
PML .....................................................................................................................................	5
Control panel .......................................................................................................................	5
Engine-control system ..........................................................................................................................	6
Motors, fans, clutches, solenoids, switches, and sensors ...................................................	7
DC controller operations ....................................................................................................	14
Fuser-control circuit ...........................................................................................................	16
Fuser failure detection .......................................................................................	17
Fuser temperature control .................................................................................	18
Fuser protective function ...................................................................................	19
Low-voltage power supply .................................................................................................	20
Overcurrent/overvoltage protection ...................................................................	21
High-voltage power supply ................................................................................................	22
Formatter ...........................................................................................................................	23
Formatter heartbeat LED ..................................................................................	23
DIMM slots ........................................................................................................	23
Laser/scanner system ........................................................................................................	24
Laser failure detection .......................................................................................	25
Image-formation system .....................................................................................................................	26
Electrophotographic process .............................................................................................	26

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