Rap 21A: Cover Open - OKIDATA OF1000 Service Manual

RAP 21A: Cover Open

START
Are both sides of the face-down stacker cover completely closed?
NO Close the cover completely.
YES Remove the rear cover. As you open and close the face-down stacker cover, can you hear
the "click" of the cover open microswitch as it opens and closes?
NO Remove the package shelf assembly so you can see the PSUB-150 board.
Is the cover open switch arm actuating the cover open switch as you open and close the
face-down stacker cover?
YES Replace the PSUB-150
NO Is the cover open switch arm broken?
YES Replace the cover open switch arm.
NO Make sure that the left reset lever and face-down stacker cover are
functioning properly.
Is the problem resolved?
YES End of procedure.
NO Contact Okidata Technical Support
YES Is fuse F2 on the power supply (PWU-150) open?
YES Replace the PWU-150.
NO Is + 38 vdc present at CN2 Pins 1 and 2 on the PSUB-150 board?
NO Replace the harness between the PSUB board (CN2) and the PWU-150.
Is the problem resolved?
YES End of procedure.
NO Replace the PWU-150.
YES Replace the PSUB-150 board.
Service Guide OF1000
Chapter 4 Failure & Repair Analysis
Page: 153