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Tech Service Bulletin No. A172/A199 – 016
Page 3 of 17
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Confirming Charge Current
CAUTION HIGH VOLTAGE ! ! ! ! Use caution when working in this area
Do not touch the meter, meter leads, or allow the leads to touch frame ground
1. Set up a meter to read current and connect it in series as pictured below.
Insert Red meter lead
into open CN in
Charge Power Pack
2. Make one single color (Black) copy and observe that the meter indicates approximately 450µ amps.
(700µ amps. for A109 machine)
3. If adjustment is required, adjust VR C as pictured below:
If the adjustment cannot be achieved, replace the following:
1. DC Power Pack - C\G - AZ300042.
2. Charge Corona Unit - AD004087.
3. Charge Corona Receptacle - A1092300.
1. Unplug white CN from
Charge Power Pack.
2. Insert Black meter Lead
into white CN.
VR C
Continued...
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