Ricoh MPC5000

• The CN numbers in the following table are the connector numbers on the IOB.

Sensors

No.	Sensor Name/ Sensor Board Name	Active	CN	Condition	Symptom
S24	Vertical Transport Sensor 2	L	CN230/B7	Open	Jam A (Jam4, 12)
				Shorted	Jam A, B (Jam1)
S15 S16	Tray 1 Paper Height Sensor 1, 2	L	CN224/ B2, B5	Open/ Shorted	Remaining paper volume on the LCD is wrong.
S17 S18	Tray 2 Paper Height Sensor 1, 2	L	CN224/ B10, B13	Open/ Shorted	Remaining paper volume on the LCD is wrong.
S19	Tray 1 Paper Feed Sensor	L	CN230/A4	Open/ Shorted	Jam A, B
S23	Tray 2 Paper Feed Sensor	L	CN230/B4	Open/ Shorted	Jam A, B
SW4	Tray 1 Set Switch	L	CN224/A9	Open	Tray 1 is not detected when tray 1 is set.
				Shorted	Tray 1 is detected when tray 1 is not set.
S12	By-pass Paper Size Sensor	L	CN232/ B16, B17, B19, B20	Open/ Shorted	Paper size error
SW2	By-pass Paper Detection Sensor	L	CN232/ A15	Open	Paper on the by-pass tray is not detected when paper is set.
				Shorted	Paper on the by-pass tray is detected when paper is not set.
S11	By-pass Paper Length Sensor	L	CN232/ B12	Open	Paper size error
				Shorted
S9	Fusing Entrance Sensor	L	CN232/B6	Open	Jam C (Jam 18)
				Shorted	Jam C (Jam 1)
S7	Duplex Entrance Sensor	L	CN232/A8	Open	Jam Z (Jam 26/27)
				Shorted	Jam Z (Jam 1)
S8	Duplex Exit Sensor	L	CN232/ A11	Open	Jam Z (Jam 25)
				Shorted	Jam Z (Jam 1)
S35	TD Sensor - K	A	CN227/A7	Open/ Shorted	SC372
S36	TD Sensor - M	A	CN227/ A15	Open/ Shorted	SC373
S37	TD Sensor - C	A	CN227/B7	Open/ Shorted	SC374
S38	TD Sensor - Y	A	CN227/ B15	Open/ Shorted	SC375
S4	Fusing Exit Sensor	L	CN204/12	Open	Jam C (Jam 19)
				Shorted	Jam C (Jam 1)
S14	Waste Toner Sensor	H	CN224/A5	Open	Waste toner near full indicated when it is not near full.
				Shorted	Waste toner near full cannot be detected when the waste toner bottle is nearly full.
SW3	Waste Toner Bottle Set Switch	L	CN224/A7	Open	Waste toner bottle is not detected when the waste toner bottle is set.
				Shorted	Waste toner bottle is detected when the waste toner bottle is not set.