![background image](http://html1.mh-extra.com/html/okidata/okipage-8c/okipage-8c_service-manual_729934019.webp)
Page: 9
Service Guide - OKIPAGE 8c
Chapter 2 Operation
2.2 Engine Control Board (PX4 PCB)
ANALOG INPUT
(Heater temperatures and environmental humidity and temperature)
Yellow (Y), Magenta (M), Cyan (C), Black (B)
Engine Control Board Block Diagram
The engine control block (PU) is controlled by the engine control board (PX4 PCB) which consists of a
CPU (MSM65524), general purpose LSI chips, EPROM, EEPROM, pulse motor drivers, and video
memory. Refer to the Engine Control Board Block Diagram.
Summary of Contents for OKIPAGE 8c
Page 15: ......
Page 24: ......
Page 31: ......
Page 53: ...Partner Exchange BPX for any updates to this material http bpx okidata com ...
Page 57: ...Page 26 Service Guide OKIPAGE 8c Chapter 3 Disassembly 3 2 Parts Layout ...
Page 58: ......
Page 59: ...Figure 3 1 Covers ...
Page 60: ...Figure 3 2 Print Assemblies ...
Page 61: ...Figure 3 3 Base Assemblies ...
Page 62: ......
Page 136: ...Partner Exchange BPX for any updates to this material http bpx okidata com ...
Page 167: ......
Page 193: ......
Page 194: ......
Page 195: ......
Page 196: ......
Page 197: ......
Page 198: ......
Page 199: ......
Page 212: ...Page 100 Service Guide OKIPAGE 8c Chapter 7 Wiring Diagram 7 1 Resistance Check ...
Page 213: ......
Page 216: ... 3 Power Supply PCB ...
Page 217: ... 4 PCO PCB 5 PXF PCB ...
Page 253: ......
Page 256: ......
Page 284: ......