Phaser 4400 Laser Printer Service Manual 2-27Jam 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 ProcedureStep Actions and Questions Yes No1 1. Open the printer Rear Cover and the Stacker RearCover.2. Check for paper or other obstructions in the paperpath.Is the printer free of jammed paper, paperscraps, or other obstructions?Go to step 2. Clear alljammedpaper, paperscraps, andobstructionsfrom theprinter andthe Stacker.2 1. Enter Service Diagnostics.2. Select Engine Test Print and press OK3. 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. Problemsolved.3 1. Enter Service Diagnostics and select Sensor Tests.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 alternatebetween ìWith Paperî and ìWithout Paperî asyou press and release the actuator?Go to step 5. Go to step 4.4 1. Remove the Left Interface Cover (RRP 1.1 onpage 6-6), Left Cover (RRP 1.2 on page 6-7), and theLeft Plate (RRP 1.11 on page 6-16).2. On the Engine Logic Board, check the voltagebetween P/J35 pin 7 and frame ground as youactuate and deactuate the Stacker Exit SensorActuator.Is the voltage +3.3 VDC when deactuated and0.0 VDC when actuated?Replace theEngine LogicBoard (RRP9.3 onpage 6-89).Replace theStacker ExitSensor (RRP10.11 onpage 6-111).If theproblempersists,replace theStacker PWB(RRP 10.7onpage 6-107).5 1. Exit Sensor Tests and scroll to Motors/Fans Tests.2. Scroll to Stacker Motor and press OK. The motorshould run for about three seconds.Does the Stacker Motor run?Go to step 8. Go to step 6.
