Xerox 4400DT Service Manual - Page 90

Tray 2 or 3 Failure Troubleshooting Procedure (cont'd.) Step Actions and Questions Yes No 7 Check that the paper tray mating connector and the Replace the Repair or feeder mating connector are properly aligned when tray Tray 1 Size replace 1 is inserted into the feeder. PWB (RRP components Are the mating connectors properly connected when the paper tray is inserted? 3.13 on as page 6-42). If necessary. the problem persists, replace the Tray 1 Feeder PWB (RRP 3.9 on page 6-37). 8 Check the resistance between the bottom and top Go to step 9. Replace the terminals of the mating connector on the paper tray 2. paper tray Is there continuity between the two pins? mating connector (PL 2.2 on page 7-8). 9 Check that the paper tray mating connector and the Replace the Repair or feeder mating connector are properly aligned when the Tray 2 Size replace tray is inserted into the feeder. PWB (RRP components Are the mating connectors properly connected when the paper tray is inserted? 11.19 on as page 6-139). necessary. If the problem persists, replace the Tray 2 Feeder PWB (RRP 11.9 on page 6-128). 10 Does the printer have two optional 550-Sheet Feeders installed? Go to step 11. Replace the Engine Logic Board (RRP 9.3 on page 6-89). 11 On the Engine Logic Board, check the voltage between Replace the Go to step P/J33 pin 14 and frame ground. Engine Logic 12. Is the voltage +24 VDC? Board (RRP 9.3 on page 6-89). Phaser 4400 Laser Printer Service Manual 2-53