Ricoh SP 8400DN Field Service Manual page 1352

Ricoh a3 size black and white laser printer.

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6.Troubleshooting

- LED blinks when the OS is running.

[C]: Reconnecting and replacing the USB cable

Re-connect the USB cable between the IPU board and the operation panel.

Release the clamp, and then make the cable straight [A].

Remove the bracket [B].

Re-connect the USB cable between the IPU board and the operation panel.

[A]: CABLE:USB3.0:AWG22:1600:ASS'Y

[B]: PCB:CHEETAHG2:NAIS:CO-P1.5:ASS'Y

When installing, attach the bracket [B] first, and then bend the cable [A] and secure it.

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