HP Indigo 7800 Electrometer Board Test - Page 13

Element Activation > Charge Roller, If needed, adjust gauge at 'P2' using small flat screwdriver.

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15. From the press UI: Element Activation > Charge Roller, activate the charge roller voltage. 16. Check the 'Charge roller voltage' value as follows: ■ Use a DC Voltmeter (Fluke) to verify 24V in pins 3 and 1 of the electrometer board Molex connector CP2 and then, 10V in pins 2 and 4 of connector CP2. (Accepted results): same as 'Charge roller voltage' value/10 ±0.10 VDC (example: 1000VDC at the UI will read 10.0 VDC ±0.10 VDC). NOTE: If needed, adjust gauge at 'P2' using small flat screwdriver. Board test procedure 11

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15.
From the press UI:
Element Activation > Charge Roller
, activate the charge roller voltage.
16.
Check the ‘Charge roller voltage’ value as follows:
■
Use a DC Voltmeter (Fluke) to verify 24V in pins 3 and 1 of the electrometer board Molex connector
CP2 and then, 10V in pins 2 and 4 of connector CP2.
(Accepted results): same as ‘Charge roller voltage’ value/10 ±0.10 VDC (example: 1000VDC at the UI
will read 10.0 VDC ±0.10 VDC).
NOTE:
If needed, adjust gauge at ‘P2’ using small flat screwdriver.
Board test procedure
11