CHAPTER 3
OPERATIONS AND TIMING
paths.
digital
are identified as ‘1’ for High and for Low. The
of
however, depends the circuit.
Nearly operations of the
are controlled by microprocessors; the
workings of
these processors are not relevant to the serviceman’s work and, therefore, left out of the
discussions. By the
token, no repairs are
for the
at the user’s premises;
for this
are discussed by
of
diagrams rather than circuit diagrams.
Forthe purpose of explanation, discussions are divided into the following: from
to DC
functions.
BASIC MECHANISMS..........................
3-1
V.
POWER SUPPLY ................................. 3-52
II.
EXPOSURE SYSTEM .......................... 3-13
VI.
SERVICE
................................ 3-55
IMAGE FORMATION SYSTEM ............ 3-24
VII. SELF DIAGNOSTIC MECHANISM.. ..... 3-57
IV.
SYSTEM .................... 3-39
C A N O N
C A N O N
RN.0
IN JAPAN [IMPRIME
Summary of Contents for NP-2120
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