Xerox 4400DT Service Manual - Page 79
Load Tray [#] with [paper size] [paper type].
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Page 79 highlights
Tray [#] Empty Troubleshooting Procedure (cont'd.) Step Actions and Questions Yes No 10 1. Remove Tray 2/3. Go to step 11. Replace the 2. Manually actuate the No Paper Sensor. Tray 2/3 No Does the No Paper Actuator move smoothly? Paper Actuator (RRP 11.7 on page 6-126). 11 1. Enter Service Diagnostics and select Replace the Replace the Sensor Tests. 2. Scroll to Tray 2 No Paper or Tray 3 No Paper and press OK. 3. Manually actuate the Tray 2/3 No Paper Sensor. Engine Logic Board (RRP 9.3 on page 6-89). following in order for the problem feeder assembly: Does the message on the display alternate between "With paper" and "Without paper" as you press and release the actuator? I Feeder PWB (RRP 11.9 on page 6-128) I Size PWB (RRP 11.19 on page 6-139) Load Tray [#] with [paper size] [paper type]. There is a conflict between the size of the paper detected by the Size Switches, and the length of paper detected by the length of time the Registration Sensor is actuated. Paper Size Error Troubleshooting Procedure Step Actions and Questions Yes No 1 Does the problem appear when using Tray 1, 2, Go to step 2. Go to step 3. or 3? 2 1. Verify the size of paper currently in the MPT Tray. Replace the Set MPT size 2. Select Menus and press OK, then Engine Logic to the size of 3. Select Printer Setup Menu and press OK. 4. Select Tray Setup Menu and press OK. 5. Select MPT Setup Menu and press OK. Board (RRP 9.3 on page 6-89). paper actually installed, then press OK. Does the paper size checked in the MPT Setup Menu match the size actually in the MPT? 3 Is the paper size in the problem tray within printer specifications? Go to step 4. Replace with paper that meets specifications. 4 Check the side guides and the Paper Stack End Guide Go to step 5. Properly set in the problem tray. the guides. Are all guides properly set for the size of paper installed? 5 Check the size cam on the left side of the paper tray Go to step 6. Replace the (see the Paper Size Actuators table below). paper tray (PL Are the cams in good condition (not broken) and do they move freely as the paper tray end guide is moved. 2.1 on page 7-6/PL 11.1 on page 7-26). 2-42 Phaser 4400 Laser Printer Service Manual
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