Lexmark C772 Service Manual - Page 74
Base Sensor
View all Lexmark C772 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 74 highlights
5061 Step 4 Actions and questions Reinstall fuser and perform the "BASE SENSOR TEST" on page 3-24. Note: Use a spring hook to actuate the flag. Does fuser exit sensor pass test? 5 Check the vacuum transport belts (VTB) for motion. Observe the belt through the front door. Are the belts on the VTB assembly turning? 6 Check the VTBs for wear or damage. Are the belts worn or damaged? 7 Check the VTB plate for a buildup of debris. Is there a debris buildup? 8 Does media move smoothly into the fuser from the VTB? Yes Go to step 5 Go to step 6 Replace the vacuum transport belt. See "Vacuum transport belt (VTB) removal" on page 4-95. Clean off the VTB plate. No Perform the following in order: 1. Reseat the connector J17 on the system board. 2. Replace the fuser assembly. See "Fuser assembly removal" on page 4-44. 3. Replace the LVPS assembly. See "LVPS assembly removal" on page 4-53. 4. Replace the System board. See "System board removal" on page 4-89. Go to "Vacuum transport belt (VTB) removal" on page 4-95 to verify correct installation. Go to step 7. Go to step 8 Call the next level of support. Replace the vacuum transport belt. See "Vacuum transport belt (VTB) fan removal" on page 4-97. 2-32 Service Manual