Dell 5230dn Mono Laser Printer Service Manual - Page 158

Step Check Yes No 1 Check the media size setup and tray guides for all media trays. Go to step 2. Does the media size, in use, match the size set for all media trays? Replace the media, or change the media size setup. 2 Check the media trays for overfilling. Are any of the media trays overfilled? Remove any excess new media. Go to step 3 3 Check the media condition in all media trays. Replace the Go to step 4. Is any of the media in any of the media trays crumpled or damaged? damaged media with new. 4 Check the media tray pass through areas for obstructions. Go to step 5. Are the pass through areas in all the media trays free from obstructions? Remove obstructions. 5 Check media origination. Did the media originate from the MPF? Go to step 6. Go to step 8. 6 Check the MPF pick roll assembly. Is the above component free of excess wear and contamination? Go to step 7. Clean or replace the MPF pick roll assembly. Go to "MPF pick roll assembly removal" on page 4-37. 7 Perform a MPF print test and check the MPF pick solenoid Go to step 17. for proper operation. Replace the MPF pick solenoid. Does the above component operate properly? Go to "MPF pick solenoid assembly removal" on page 4-38. 8 Check media origination. Did the media originate from the internal duplex? Go to step 9 Go to step 13 9 Check the internal duplex media path for obstructions. Is the above component free from obstructions? Go to step 10 Remove obstructions. 10 Check the sensor (duplex input) for proper operation. 1. Enter the diagnostic mode Go to step 12. 2. Select Duplex tests 3. Select sensor test 4. Observe the line item "input" Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. Go to step 11. 11 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the Sensor (duplex input). Replace the connection. Go to "Sensor (duplex input) removal (5350dn, 5530dn, and T656)" on page 4-69. 2-124 Service Manual