Lexmark Optra E 4026-0 Series Reference Handbook page 31

Engine Board
CN1A Controller Board
Pin No. Signal
1 NO CONNECTION
2 NO CONNECTION
3 NO CONNECTION
4 NO CONNECTION
5 GND
6 RESET*
7 GND
8 GND
9 GND
10 HSYND*
11 EPRDY*
12 PRRDY*
13 TDD*
14 ETBSY*
15 STS*
Connector
CN2A Thermistor
CN3A Paper Entry
Sensor and Paper
Take-up Solenoid
1-24
Laser Printer Reference Handbook
Pin No.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Pin Signal
1 THERMISTOR
2 +5 V dc
1 ANODE (PC1)
2 GND
3 PC1*
4 NO CONNECTON
5 +24 V dc
6 FEED1*
Signal
CMD*
CTBSY*
PRINT*
SRCLK*
GND
GND
VIDEO*
+5 V dc
GND
+5 V dc
GND
+5 V dc
CPRDY*
+5 V dc
TEST*