Error
Description
Diagnostic Action
Power
3. Disconnect CN2 (see Section 5,
Supply
"Locations"). Plug in Printer power cord.
Check
Position Printer Power switch
to
ON.
Measure voltages on
the
plug side
of
CN2
according
to
the
chart below.
DANGER: LINE VOLTAGE IS PRESENT
ON THE
AC
FILTER,
CIRCUIT BOARD, AND
TRANSFORMER. CAUTION
SHOULD BE EXERCISED
WHEN
MEASURING
SECONDARY VOLTAGES.
Min
Max
Color
+ Lead - Lead
voltage
voltage
Gray CN2-1 CN2-2 7.6 Vac
lOA
Vac
~
Orange
CN2-3
CN2-4 19.5 Vac
26.5 Vac
Red CN2-5 CN2-6
8.1 Vac 10.9 Vac
Blue
CN2-7
CN2-8
13.0 Vac
17.6 Vac
Voltages in range?
YES: Go
to
step 4.
NO: Replace power transformer (see
Section
3, "Removal/Replacement").
1400-8
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