Dell 5230dn Mono Laser Printer Service Manual - Page 154

Service checks Sensor (input) service check Step Check Yes No 1 Check the sensor (input) for damage. Is the above component free from damage? Go to step 2. Replace the sensor (input). Go to "Sensor (input) removal" on page 4-71. 2 1. Enter the diagnostic mode 2. Select Base sensor test The sensor is Go to step 2. working properly 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. 3 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the Sensor (input). Go to "Sensor (input) removal" on page 4-71. Replace the connection. Sensor (fuser output) service check Step Check Yes No 1 Check the sensor (fuser output) for damage. Is the above component free from damage? Go to step 2. Replace fuser unit assembly. Go to "Fuser unit assembly removal" on page 4-22. 2 1. Enter the diagnostic mode 2. Select Base sensor test The sensor is Go to step 2. working properly 4. Observe the line item "exit" Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. 3 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the fuser unit assembly. Go to "Fuser unit assembly removal" on page 4-22. Replace the connection. 2-120 Service Manual