Xerox 4400DT Service Manual - Page 64
Jam at Stacker; Open Both Rear Covers to Clear., Paper late to Stacker Sensor.
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Page 64 highlights
Jam at Stacker; Open Both Rear Covers to Clear. (E6-#: Stacker Jam) E6-1: Paper late to Stacker Sensor. E6-2: Paper late off Stacker Sensor. Stacker Jam Troubleshooting Procedure Step Actions and Questions Yes No 1 1. Open the printer Rear Cover and the Stacker Rear Go to step 2. Clear all Cover. 2. Check for paper or other obstructions in the paper path. jammed paper, paper scraps, and Is the printer free of jammed paper, paper obstructions scraps, or other obstructions? from the printer and the Stacker. 2 1. Enter Service Diagnostics. 2. Select Engine Test Print and press OK 3. Scroll to Print Quantity and press OK. 4. Set the quantity 15 and press Back. 5. Scroll to Output Tray and press OK. 6. Press Down to select Stacker and press OK. 7. Scroll to Print Test Pattern and press OK. Does the error code reappear? Go to step 3. Problem solved. 3 1. Enter Service Diagnostics and select Sensor Tests. Go to step 5. Go to step 4. 2. Scroll to Stacker Sensor test and press OK. 3. Open the Stacker Rear Cover. 4. Press and release the Stacker Exit Sensor Actuator. Does the message on the display alternate between "With Paper" and "Without Paper" as you press and release the actuator? 4 1. Remove the Left Interface Cover (RRP 1.1 on Replace the Replace the page 6-6), Left Cover (RRP 1.2 on page 6-7), and the Left Plate (RRP 1.11 on page 6-16). 2. On the Engine Logic Board, check the voltage between P/J35 pin 7 and frame ground as you actuate and deactuate the Stacker Exit Sensor Actuator. Is the voltage +3.3 VDC when deactuated and 0.0 VDC when actuated? Engine Logic Board (RRP 9.3 on page 6-89). Stacker Exit Sensor (RRP 10.11 on page 6-111). If the problem persists, replace the Stacker PWB (RRP 10.7 on page 6-107). 5 1. Exit Sensor Tests and scroll to Motors/Fans Tests. Go to step 8. Go to step 6. 2. Scroll to Stacker Motor and press OK. The motor should run for about three seconds. Does the Stacker Motor run? Phaser 4400 Laser Printer Service Manual 2-27
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