Lexmark C760 Service Manual

Connector locations5-19
  5060-4xx
Autoconnect—bottom
Connector Pin no Signal Signal
CN1 Autoconnect—bottom 1 White +24 V dc
2 Black Ground
3 Yellow Printer RXD
4 Black Ground
5 Brown STAGING_ENCODER
6 Red +5 V dc
7 Black Ground
8 Blue Printer TXD 

5-20Service Manual
5060-4
xx   
Transfer high voltage power supply (HVPS) 

Connector locations5-21
  5060-4xx
Connector Pin no Signal
CN1 HVPS Input Connector 1 +24 V dc Switched 2 +24 V dc Return
3M-Txpwm
4 M-Srvo out
5Y-Txpwm
6Y-Srvo out
7C-Txpwm
8C-Srvo out
9K-Txpwm
10 K-Srvo out
11 KCYM-Txenable
12 ITU-Txpwm
13 ITU-Sr vo out
14 ITU-Txcurpwm
15 TUI-Txenable
T102 Transformer HV Terminal I (ITU) 1 HV Transformer output to 2nd Transfer Roll Cable
T201 Transformer HV Terminal K 
Black 1 HV Transformer Output Terminal to Black Transfer 
Cable
T301 Transformer HV Terminal C 
Cyan...

5-22Service Manual
5060-4
xx   
Developer high voltage power supply (HVPS) board
Connector Pin no Signal
CN1 Developer HVPS Input 1  +24 V dc Return
2+24 V dc
3 Y-Ctsense
4Y-Devpwm
5 Y-TnrSense
6 C-Devpwm
7C-CtSense
8M-Devpwm
9 C-TnrSense
10 CYM-Acenable
11 M-CtSense
12 CYM-Chgpwm
13 M-TnrSense
14 K-Chgpwm
15 K-CtSense
16 K-Devpwm
17 K-TnrSense
18 K-Acenable
CN2 Cartridge Signature Button - 
Black 1 K-CtSense (red wire)
2 K-TnrSense (Gnd Return) (black wire)
CN3 Cartridge Signature Button - 
Magenta 1...

Connector locations5-23
  5060-4xx
Low voltage power supply (LVPS)
LVPS cable connectors to system board
CN5 Cartridge Signature Button - 
Yellow 1 Y-CtSense (red wire)
2 Y-TnrSense (Gnd Return) (black wire)
CB Terminal Cleaner Bias Terminal (not used)
ConnectorPin 
no.Signal
Main power to 
system board 
(J35) 1 +3.3 V dc
2 +3.3 V dc
3+5 V dc 
4+5 V dc 
5 +24 V dc
6 +24 V dc
7 +24 V dc
8 +3.3 V dc Sense
9Ground
10 Ground
11 Ground
12 Ground
13 Ground
14 Ground
15 Ground
16 Ground
LVPS to system 
board...

5-24Service Manual
5060-4
xx   
LVPS fuser connectors
Connector Pin no. Signal
LVPS AC Fuser Connector 1 AC Load #1
2 AC Common
3 Ground
4N/C
5 AC Load #2x
LVPS DC Fuser Control Connector 1 FusExitSen
2 BURCam1
3N/C
4 WebEncoderA
5 WebEncoderB
6HRThermistor
7 BURThermistor
8 Return - Analog Ground
9 +5 V dc switched
10 N/C 

Connector locations5-25
  5060-4xx
Paper size sensing board
Connector Pin 
no.Signal
J1 1 +3.3V dc 2 EPROM Data
3Ground
4 EPROM Clock
J2 1 J3-1 (Waste BTL Full)
2Ground
3 Waste BTL PRESENT (SW4)
4Tray Size 1 (SW3)
5Ground
6Tray Size 2 (SW2)
7Tray Size 3 (SW1)
J3 1 J2-1 (Waste BTL Full) 2Ground 

5-26Service Manual
5060-4
xx   
High-capacity input tray (HCIT)
HCIT 2000-sheet board
ConnectorPin 
no.Signal
CN1 I/F 1 Send 2 PRI RXD
3PGND
4 PERON
5SGND
6PRI TXD
CN2 LVPS 1 Poweron 2+5 V dc
3SGND
4PGND
5PGND
6PGND
7 +24 V dc
8 +24 V dc
9 +24 V dc
CN3 REG Motor 1 +24 V dc 2 +24 V dc
3REG A
4REG A
5REG B
6REG B
7 No Connection
CN4 PICK Motor 1 +24 V dc 2 +24 V dc
3PICK A
4*PICK A
5PICK B
6*PICK B
CN5 LIFT Motor 1 +24 V dc 2LHOT 

Connector locations5-27
  5060-4xx
CN6 Sensors
Side Door/Level/
Empty/
Registration 
Home/Pick Home 1+5 V dc
2GND
3SIDE
4+5 V dc
5GND
6 LEVEL
7+5 V dc
8GND
9EMPTY
10 +5 V dc
11 GND
12 RHOME
13 +5 V dc
14 GND
15 PHOME
CN7 Size 
Sensors/Near 
Empty 1+5 V dc
2GND
3SIZE 0
4+5 V dc
5GND
6SIZE 1
7+5 V dc
8GND
9SIZE 2
10 +5 V dc
11 GND
12 NE EMP
CN8
S1(Pick Sensor)
S2(Registration 
Sensor) 1+5 V dc
2S2
3GND
4+5 V dc
5S1
6GND
Connector
Pin 
no.Signal 

5-28Service Manual
5060-4
xx   
High-capacity output finisher (HCOF)
HCOF system board
For a more detailed diagram, see “Finisher cables” on page 7-68.