4045-XXX
Service Tip: Run the Sensor Monitor Test in the Hardware Test
Mode with the controller board removed.
FRU
1
Input Sensor Flag
2
Engine Board
3
Input Sensor Cable
Input Tray(s) Option Service Check
500-Sheet Input Tray Option
Service Tip: Try all the other input paper sources to make sure they
are properly feeding paper. Run the Tray 2 Motor Test in the
Hardware Test Mode to verify motor and related paper feed
components are working properly. With the motor on, actuate the
tray 2 solenoid from the Solenoid Test to feed paper.
2-26
Service Manual
Action
Check the input sensor flag for
damage and proper operation. If a
problem is found, repair as
necessary.
Check for approximately +5 V dc at
J2-3 on the engine board. If
incorrect, replace the engine board.
Check the continuity of the input
sensor cable. If incorrect, replace the
cable. If correct, replace the input
sensor assembly.