Lexmark Optra S 1620 Manual

Connector Locations5-16
4059-XXX
Models 1620, 1625, 1650, 1855, 2420, 2450, 2455 and 3455
•Models 1650, 1855, and 2420 do not have connector J13.
•Models 1620 and 1625 have a jumper on J10 between the
center pin and pin 5.
•Model 1855 has a jumper on J8 between the center pin and pin
2, on J9 between the center pin and pin 4 and on J10 between
the center pin and pin 5.
•Models 2420, 2450 and 2455 have a jumper on J8 between the
center pin and pin 2 and a jumper on J9 between the center pin
and pin 3....

5-174059 Service Manual
4059-XXX
Envelope Option Board
Connector Pin No. Signal
J1 1 N/A
2Ground
3Tx(EOC)
4Ground
5Rx(EOC)
6 +24 V dc Return
7+24Vdc
J2 1 Ground
2 Paper Present
3+5Vdc
J3 1 Ground
2 Paper Present
3+5Vdc
J4 1 Motor - Phase B-
2 Motor - Phase A-
3 Motor - Phase B+
4 Motor - Phase A+ 

Connector Locations5-18
4059-XXX 

5-194059 Service Manual
4059-XXX
Duplex Option Board
Note:Duplex connectors J10 and J11 are interchangeable. No
problem results if the connectors are switched.
Connector Pin No. Signal
J1 Motor 1 Motor -
2Motor+
J2 DC Motor
Sensor/Encoder Board1 +5 V dc Sensor
2Tach+
3Ground
J3 Stepper Motor 1 STPMOTA -
2STPMOTA+
3 STPMOTB -
4 STPMOTB +
J4 Fan 1 +24 V dc
2FanOn-
J5 Paper Input Sensor 1 +5 V dc Sensor
2 Input +
3Ground
J6 Rear Cover
Open Switch
(Level 2 does not use)1 Top Cover Open +
2Ground
J7 Jam...

Connector Locations5-20
4059-XXX
Level 1 Duplex Option Board
J9 Autoconnect,
Option Below1 Ground
2 PrtxDout
3 Ground
4PrtRxd
J10 Autoconnect,
Option Below1+24Vdc
2 Ground
J11 Printer
Autoconnect1+24Vdc
2 Ground
J12 Printer
Autoconnect1N/A
2 Ground
3PrtxDin
4 Ground
5PrtRxD Connector Pin No. Signal 

5-214059 Service Manual
4059-XXX
Level 2 Duplex Option Board
Autoconnect - Top
Connector Pin No. Signal
Top Autoconnect 1 0 V dc
2+5Vdc
30Vdc
40Vdc
50Vdc
6+5Vdc
70Vdc
8+24Vdc 

Connector Locations5-22
4059-XXX
Output Expander Control Board - Level 1 Stepper Motor
Connector Pin No. Signal
J1A Autoconnect 1 +24 V dc
2 Ground
3+5Vdc
J1B 1 Prtxdin
2 Ground
3prtrxd
4 Ground
5N/C
J2A Autoconnect 1 +24 V dc
2 Ground
3+5Vdc
J2B 1 prtxdout
2 Ground
3prtrxd
4 Ground
J3 Pass Thru Sensor 1 Ground
2 Paper Present
3RVsnsr
J4 Stepper Motor 1 Phase B-
2PhaseB+
3PhaseA-
4PhaseA+ 

5-234059 Service Manual
4059-XXX
J5 Bin Full Sensor
Single Sensor1 Ground
2N/C
3+5Vdc
4N/C
5RVsnsr Connector Pin No. Signal 

Connector Locations5-24
4059-XXX
Output Expander Control Board - Level 2 DC Motor
Connector Pin No. Signal
J1A Autoconnect 1 +24 V dc
2 Ground
3+5Vdc
J1B 1 Prtxdin
2 Ground
3prtrxd
4 Ground
5N/C
J2A Autoconnect 1 +24 V dc
2 Ground
3+5Vdc
J2B 1 prtxdout
2 Ground
3prtrxd
4 Ground
J3 Pass Thru Sensor 1 Ground
2 Paper Present
3RVsnsr 

5-254059 Service Manual
4059-XXX
J4 DC Motor 1 mtrout1
2mtrout2
3 Ground
4 Ground
5tach+
6+5Vdc
J5 Bin Full/Near Full
Dual Sensor1 Ground
2 Ground
3binful
4binful
5RVsnsr Connector Pin No. Signal