Table of contents
1 Theory of operation ....................................................................................................................................... 1
Basic operation ...................................................................................................................................................... 2
Major systems ..................................................................................................................................... 2
Product components ........................................................................................................................... 2
Sequence of operation ........................................................................................................................ 3
Formatter-control system ..................................................................................................................................... 4
Sleep Delay .......................................................................................................................................... 4
Input/output ........................................................................................................................................ 4
USB .................................................................................................................................... 4
10/100 networking ........................................................................................................... 4
Fax ..................................................................................................................................... 4
USB hosts .......................................................................................................................... 5
Memory ................................................................................................................................................ 5
Flash memory ................................................................................................................... 5
Random access memory ................................................................................................... 5
Nonvolatile memory ......................................................................................................... 5
Memory Enhancement technology ................................................................................... 5
Wireless radio ...................................................................................................................................... 5
PJL overview ........................................................................................................................................ 5
LEDM overview .................................................................................................................................... 6
ACL overview ....................................................................................................................................... 6
PML ...................................................................................................................................................... 6
Control panel ....................................................................................................................................... 6
NFC ....................................................................................................................................................... 6
Engine control system ........................................................................................................................................... 7
DC controller ........................................................................................................................................ 8
Power supply ....................................................................................................................................... 9
Protective function ........................................................................................................... 9
Power saving ................................................................................................................... 10
Fuser control ................................................................................................................... 10
Fuser control circuit ...................................................................................... 11
Fuser protective function ............................................................................. 12
ENWW v
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