Psu1, 2, 3 / Ac Drive Board - Ricoh RT5120 Field Service Manual

PSU1, 2, 3 / AC Drive Board

The PSU has residual charge even some time after the power turns off. NEVER touch the areas
outlined in red in the photo below, to prevent electric shock caused by residual charge. After the
removal, never place the board on an electrically-conductive surface, such as metal.
PSUs 1, 2 ,3 are all interchangeable.
1.
Remove the PSU box
2. Open the clamps to free the harness.
3.
Release the grounding wire and disconnect the connector [A] on the AC drive board, and then
(PSU box)
1.Replacement and Adjustment
109