Lexmark X644E Service Manual - Page 169

7002-xxx 260.xx Paper Jam displays, envelope stops in feeder paper path FRU 1 Kick rolls/feed rolls/drive rolls 2 Deflector gap adjustment Action Check all the rolls for oil, grease, or other contamination. If you find a problem, clean the rolls. If this does not correct the problem, replace the envelope feeder. Check the deflector gap adjustment. The adjustment may be too narrow. If the adjustment is correct, replace the envelope feeder option. Envelope feeder multifeeds or may not display a 260.xx Paper Jam message FRU 1 Envelopes 2 Deflector 3 Restraint roll bias spring Action Check the envelopes being used in the feeder. Check for signs of the envelopes being stuck together or signs of glue. Make sure the flaps are not interleaved. If the envelopes meet the guidelines and are properly loaded, go to step 2. Check the deflector gap adjustment. The adjustment may be too wide. If the deflector gap adjustment is correct, go to step 3. If not, replace the envelope feeder option. Check for a missing, broken or incorrectly installed restraint roll bias spring. If incorrect, replace the envelope feeder option. 260.xx Paper Jam displays, an envelope stopped in the paper path of the feeder and an envelope also stopped in the printer paper path FRU 1 Latch lever Action Make sure the tip of the latch lever is centered in the opening in the floor of the paper path. The latch lever may not be detented on the latch. If no problem is found and the problem persists, replace the envelope feeder option. Flatbed size sensor service check Check for correct installation of the sensor cable before proceeding with this service check. Note: All three sensors and their cables come attached together as a unit. FRU 1 Flatbed paper size sensor assembly Flatbed interface card assembly Action Enter the Diagnostics Menu (turn on MFP while holding 3 and 6), select SCANNER TESTS, and select Sensor Tests. Check for correct operation of the sensors by placing a piece of paper on the contact glass over the sensor assembly. If any sensor fails the sensor test, replace the sensor assembly. If this does not fix the problem, replace the flatbed interface card. See "Flatbed interconnect card removal" on page 4-33. Diagnostic information 2-131