Lexmark W820 - Optra B/W Laser Printer Service Manual page 282

Signal Name Description
STP.SWIN. + Rotates forward with 24 V power supply.
STP.SWIN. - Rotates reversely with 24 V power supply.
STAPLE M. + Rotates forward with 24 V power supply.
STAPLE M. + Rotates forward with 24 V power supply.
STAPLE M. - Rotates reversely with 24 V power supply.
STAPLE M. - Rotates reversely with 24 V power supply.
ST.TRV. A Rotates the Staple Traverse Motor by pulse signals from the Finisher Main PWB.
ST.TRV. /A Rotates the Staple Traverse Motor by pulse signals from the Finisher Main PWB.
ST.TRV. B Rotates the Staple Traverse Motor by pulse signals from the Finisher Main PWB.
ST.TRV. /B Rotates the Staple Traverse Motor by pulse signals from the Finisher Main PWB.
SHEET SENSOR Detects paper at stapling operation.
5 V = No paper in stacker, 0 V = Paper present in stacker.
STP.SWING H.1 Detects the dual position angle of the 45° stapling.
5 V = Not home position, 0 V = Home position.
STP.SWING H.2 Detects the dual position angle of the 45° stapling.
5 V = Not home position, 0 V = Home position.
SHEET SENSOR Detects paper at stapling operation.
5 V = No paper in stacker, 0 V = Paper present in stacker.
NEEDLE Detects the presence of staples.
0 V = Staple present, 5 V = No staple.
STPLE HOME Detects the home position at stapling operation.
5 V = Not home position, 0 V = Home position.
NEEDLE HOME Detects the home position at staple supply.
5 V = Not home position, 0 V = Home position.
CARTRIDGE Detects the presence of staples.
0 V = Cartridge present in Staple, 5 V = No Cartridge in Staple.
STP.TRAY.HOME Detects the home position of the staple unit.
5 V = Home position, 0 V = Not home position.
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Service Manual
4025-Finisher