Dell 5310n - Workgroup Laser Printer B/W Service Manual page 308

System board (see "System board" on page
Connector
J27 LVPS (continued)
J28 MPF paper out
J29 Top options
J30 USB host–back
USB host—front connection
Printhead fan
Service Manual
5-6
5-1)
Pin no. Signal
17 HEAT
18 HEAT
19 Ground
20 L FAN DRV*
1 MPF POUT
2 Ground
3 MPF ED
1 RXD1R
2 Ground
3 TXD1BR
4 Ground
1
2
3
4
5
6
7
1 +5 V USBICN
2 USB I–
3 USB I+
4 Ground
5 Ground
1 +24V dc
2 PH FAN*
L
D
D