Xerox 4400DT Service Manual - Page 285
RRP 9.6 HVPS PWB, Disconnect P/J261 from the HVPS PWB.
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RRP 9.6 HVPS PWB See the Parts List on page 7-24. Caution: These components are susceptible to electrostatic discharge. Observe all ESD procedures to avoid damage. Warning: Switch off the power and disconnect the Power Cord. 1. Remove Tray 1. 2. Remove the Front Cover Assembly (RRP 1.6 Front Cover Assembly on page 6-11). 3. Remove the Left Front Cover (RRP 1.7 Left Front Cover on page 6-12). 4. Remove the MPT Chute Assembly (RRP 4.1 MPT Chute Assembly on page 6-44). 5. Remove the Paper Handler Assembly (RRP 5.1 Paper Handler Assembly on page 6-57). 6. Remove the Transfer Roller Assembly (RRP 7.1 Transfer Roller Assembly on page 6-79). 7. Remove the Transport Chute Assembly (RRP 6.1 Transport Chute Assembly on page 6-65). 8. Disconnect P/J261 from the HVPS PWB. 9. Disconnect PRB (red). 10.Remove the screw that secures the HVPS PWB housing to the printer. 11.Remove the HVPS Assembly Housing from the printer. 12.Carefully disconnect the DTS (white) and TR (red) wires from the HVPS. 13.Release the two hooks that secure the HVPS PWB to the Housing, then remove the HVPS PWB. High-Voltage Power Supply 6-92 Phaser 4400 Laser Printer Service Manual
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