Xerox FaxCentre 2121 Service Manual page 212

Wiring Diagrams
List of Connectors
Connector
Printer
CIS
Control panel
ADF Motor
ECP
USB device
LAN
STN
Printer: Connections to the Printer
Pin Signal
1-6-7-8
2
3
4
5 RESETIMP
9 HSYNC
10 linked to 23
11 READY
12 VSYNC
13 ETBSY
14 RXIMP
15 TXIMP
16
18 SCLKIMP
19 VIDEO
17-20-21
22-25
23 linked to 10
24
26
7-6
Table 1: List of Connectors
Location ref.
P4201
P4370
P4100
P4301
P4630
P4901
P8800
P4420
Table 2: Connections to the Printer
Input/Output
GND
P24V
GND
-
CBSY
GND
-
P5V
P5V
Number of pins
26
12
24
5
36 External, Centronics
4 External, USB type B
8
6
-
-
-
-
O
I
-
I
I
I
I Printer status (serial data transmitted by printer)
O
-
O
O
O
-
-
-
-
11/06
Male/Female
Male
Female Elbow, top contact
Female
Female
type
External, RJ45
External, RJ11
Use
Ground
4V Supply
Ground
Not connected
Printer reset
Horizontal sync (line)
-
Printer ready (not used)
Vertical sync (page)
Engine status busy
CPU command (serial data
transmitted to printer)
Controller status busy
Serial link clock printer sync
Printer video
Ground
Not connected
5 V supply
5 V supply
FaxCentre 2121/2121L
Type
Straight
Elbow, top
contact
Elbow