Xerox 4400DT Service Manual - Page 80
Tray [#] Failure. Open and Close Tray [#]., A Tray Assembly Tray 1
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Paper Size Error Troubleshooting Procedure (cont'd.) Step Actions and Questions Yes No 6 1. Reinstall the paper tray. Replace the Replace the 2. Enter Service Diagnostics and select Sensor Tests. Engine Logic Tray Size 3. Scroll to Paper Tray Size Read and press OK. 4. Select "Tray 1 Size" and press OK. 5. Press "Back" and select another tray size until all installed trays are tested. Board (RRP 9.3 on page 6-89). PWB (RRP 3.13 on page 6-42/ RRP 11.19 on Does the paper size displayed on the Front Panel display match the size of the paper page 6-139). actually loaded in the tray? Paper Size Actuators Actuator Cam B5 A5 Extended SEF SEF Top X Middle Bottom 13" SEF X X 14" SEF X 8.5" SEF X A4 SEF X X Tray [#] Failure. Open and Close Tray [#]. (C3-[#]E Tray [#] Not In) A Tray Assembly (Tray 1, 2, or 3) is not in place. Tray Failure Troubleshooting Procedure Step Actions and Questions Yes No 1 1. Enter Service Diagnostics, 2. Print a test print from every tray. Go to step 11. Go to step 2. Does the Error Code specify Tray 2 or Tray 3? 2 Remove and reinstall Tray 1. Does the C3 error code still appear? Go to step 3. Problem solved. 3 Measure the voltage from the lower contact of the Feeder Socket (P/J672) to frame ground. Is the voltage +24 VDC? Go to step 8. Go to step 4. 4 Measure the voltage from P/J33 pin 6 on the Engine Go to step 5. Go to DC Logic Board to frame ground. Power Is the voltage +24 VDC? (LVPS) on page 3-4. 5 1. Switch off the printer power. Go to step 6. Repair or 2. Remove the Size Sensor Housing (RRP 3.11 on page 6-40). 3. Measure continuity between the disconnected P/J33 pin 6 and P/J331 pin 12 on the Tray 1 Size PWB. replace Feeder Harness Assembly Is there continuity between the two pins? (PL 9.1 on page 7-22). Phaser 4400 Laser Printer Service Manual 2-43
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