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DocuColor 12/DCCS50
Introduction
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AC and DC Voltage Nomenclature
ACH is used in the documentation to designate the hot, or power, side of the AC line. The volt-
age level on this line depends upon the local AC power supplied to the machine.
WARNING
For some installations, (typically Xerox Europe), the ACN line may NOT be neutral. It
may have power applied. Check local power standards.
ACN is used in the documentation to designate the neutral side of the AC line. The voltage
level on this line
depends upon the local AC power supplied to the machine.
DC Voltage Levels
DC voltages should be measured between the test point and the machine frame, unless
instructed otherwise. The table below shows the values of the voltages.
Translated WARNINGS
Table 1 DC Voltage Levels
Nominal
Voltage
Log
ic State Actual Voltage Ranges
+5 VDC H +4.5 to +5.3 VDC
L 0.0 to +1.0 VDC
+3.5 VDC H +3.0 to +4.2 VDC
L 0.0 to +1.0 VDC
+12 VDC H +10.0 to +13.2 VDC
L 0.0 to +1.5 VDC
-12 VDC H -10.0 to -13.2 VDC
L 0.0 to -1.5 VDC
+13.3 VDC H +11.0 to +14.2 VDC
L 0.0 to +1.5 VDC
+24 VDC H +22.0 to +25.7 VDC
L 0.0 to +3.0 VDC
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