Code #2B - 4Th/5Th Mirror Home Position Error (Ft3213 Copier Only) - Ricoh A151 Field Service Manual

2.9 CODE #2B — 4TH/5TH MIRROR HOME POSITION
ERROR (FT3213 COPIER ONLY)
- Definition -
The 4th/5th mirror home position sensor's output remains HIGH (actuated)
for 4.0 seconds after the 4th/5th mirror assembly leaves the home position.
- Possible Causes -
4th/5th mirror home position sensor failure
•
Defective 4th/5th mirror motor
•
Defective main board
•
Defective 4th/5th mirror drive mechanism
•
Defective dc harness
•
CN102 or CN104 on the main board is not correctly connected.
•
- Action -
Turn the main switch off and on.
Check the sensor actuator position on the 4th/5th mirror assembly.
De-actuated Actuated
Does the 4th/5th mirror motor rotate when the main switch is turned
on?
No Yes
Check the 4th/5th mirror drive mechanism and repair or
replace the defective parts.
Check the voltage at CN104-1 and 6 on the main board.
24 volts 0 volts
Replace the main board.
Check the voltage at CN104-2 to 5 on the main board when the
main switch is turned on.
16 volts 24 volts
Replace the main board
Replace the 4th/5th mirror motor.
FSM 6-39 A151/A152