Xerox 5400N Quick Reference Guide - Page 173

Table 83 Size Switch Troubleshooting Procedure (cont'd.) Step Actions and Questions Yes No 12 "NO" FROM STEP 8 ABOVE. Replace the Repair or Check for continuity between P/J13-5 (Print Engine Controller Board) and P/J131-5 (Tray 2) or P/J13-6 and P/J131-6 (Tray 3), then between P/J131-5 and P/J132-5 (Feeder Board) (Tray 2) or P/J131-6 and P/J132-6 (Tray 3). [P/J131 is the connector between the printer and the Print Engine Controller Board [RRP 8.5, page 310]. replace the harness as necessary. 500-Sheet Feeder.] Is there continuity between each of the sets of test points checked? 13 SUSPECT COMPONENTS The following printer components and areas are associated with this specific problem. One or more of these components or areas may have failed partially or completely. If you cannot isolate this problem using the steps in this Repair Analysis Procedure, replace each component or troubleshoot each area listed below, one at a time, until you isolate and solve the problem. I Wiring and connectors linking the components I Left Guide Assy [RRP 3.6, page 279 or RRP 11.13, page 340] I Print Engine Controller Board [RRP 8.5, page 310] I Paper Tray [PL 2.1, page 386 / PL 2.2, page 388] I Size Sensor Switch [PL 3.1, page 390] I 2000-Sheet Feeder Board [RRP 12.8, page 360]. Table 84 Size Switch Voltages Press Actuator Voltage Press Actuators 4 (top) +1.4 VDC 4 & 3 3 +2.3 VDC 4 & 2 2 +2.8 VDC 3 & 2 Voltage +0.4 VDC +0.9 VDC +1.8 VDC Press Actuators 4, 3 & 2 None Voltage 0.0 VDC +3.3 VDC 144 Phaser 5400 Laser Printer Service Guide