Konica Minolta bizhub 164 Black copy

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Frank
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Joined: Sat Oct 21, 2017 9:54 pm

Konica Minolta bizhub 164 Black copy

Postby Frank » Sat Oct 28, 2017 3:35 pm

Scanner section: Black copy
1 Exposure lamp turns ON when the power switch is turned ON.
    NO Go to step 3.
2 Exposure lamp is abnormally lit (flickers or abnormally dark) when the power switch is turned ON.
    NO Go to step 4.
3 CIS module (CIS) connector is loose.
    YES • Reconnect.
4 Printer control board (PRCB) connector P102 is loose.
    YES • Reconnect.
    NO
    • Change PRCB.
    • Change CIS.

Printer section: Black copy
1 Drum charge corona grid mesh and comb electrode are loose.
    YES • Reinstall.
2 Drum charge corona contact is dirty, scratchy, folded, bent, or damaged.
    YES • Correct or change.
3 Grid bias contact is dirty, folded, or bent.
    YES • Clean, correct, or change.
4 Drum ground contact is dirty, scratchy, bent, or damaged.
    YES • Clean, correct, or change.
5 High voltage unit (HV1) connectors is loose.
    YES • Reconnect.
6 The PH unit cable is loose.
    YES • Reconnect.
7 The following voltage is supplied from the printer control board (PRCB).
<Check procedure>
Check that there is 24 V developing across the printer control board pin and GND when the power switch is turned ON (during a copy cycle or a standby state).
    YES
    • Change IU.
    • Change PH unit.
    • Change high voltage unit (HV1).
    NO
    • Change printer control board (PRCB).

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