R76-/R76-2
OKIFAX 5700/5900
A3 - 15
A3.1.7
LED Head Control
The IOGA5 on the MCNT board transfers image data to the LED head. After receiving the
image data, the LED head illuminates in the next line cycle, exposing the drum. The head’s
internal block diagram is shown below. The timing charge is shown on the next page.
Head’s Internal Block Diagram
1
2
2
3
3
4
5
1
5
192
4
Driver IC-1
1153
1154
1154
1155
1155
1156
1153
1156
Driver IC-7
2305
2306
2306
2307
2307
2308
2305
2308
Driver IC-13
3649
3650
3650
3651
3651
3652
3649
3652
Driver IC-20
4989
4990
4990
4991
4991
4992
4989
4992
Driver IC-26
20~26 chip
13~19 chip
7~12 chip
1~6 chip
dot-4992
CC
dot-1
HDSTB1-N
HDSTB2-N
HDSTB3-N
HDSTB4-N
HDCLK-P
HDDLD-P
HDD3-P
HDD2-P
HDD1-P
HDDC-P
Logic GNG
Vi
n
LED-GND
Regulator
IC
V
ref
V
in
GND
OLM6730-**
From Mcnt
192
Summary of Contents for OKIFAX 5700
Page 6: ...CHAPTER 1 GENERAL INFORMATION ...
Page 90: ...CHAPTER 2 INSTALLATION PROCEDURE ...
Page 102: ...OKIFAX 5700 5900 2 12 3 Document stacker Hang the document stacker onto hanging position ...
Page 204: ...OKIFAX 5700 5900 2 114 Typical Transmission flow ...
Page 205: ...OKIFAX 5700 5900 2 115 Typical Reception flow ...
Page 210: ...CHAPTER 3 BRIEF TECHNICAL DESCRIPTION ...
Page 218: ...CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY ...
Page 223: ...OKIFAX 5700 5900 4 5 Appearance of the OKIFAX 5700 5900 ...
Page 248: ...CHAPTER 5 ADJUSTMENTS ...
Page 252: ...CHAPTER 6 CLEANING AND MAINTENANCE ...
Page 278: ...CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5700 5900 ...
Page 390: ...C34 OKIFAX 5700 5900 A3 40 IC201 Pin Assignment ...
Page 405: ...Appendix B DescriptionsofPrintOperation ThirdEdition December 1998 Oki Data Corporation ...
Page 427: ...Appendix C Not used at this time ...
Page 430: ...OKIFAX 5700 5900 D 1 Section 1 CABINET ASSEMBLY ...
Page 432: ...OKIFAX 5700 5900 D 3 Section 2 CONTROL PANEL ASSEMBLY ...
Page 434: ...OKIFAX 5700 5900 D 5 Section 3 PRINTER ASSEMBLY 53 54 ...
Page 437: ...OKIFAX 5700 5900 D 8 Section 4 BASE ASSEMBLY ...
Page 439: ...OKIFAX 5700 5900 D 10 Section 5 FRAME ASSEMBLY SCANNER L ...
Page 441: ...OKIFAX 5700 5900 D 12 Section 6 FRAME ASSEMBLY SCANNER U ...
Page 443: ...OKIFAX 5700 5900 D 14 Section 7 CABLES OPTION BOARDS ...
Page 445: ...Appendix E Not used at this time Oki Data Corporation ...
Page 446: ...Appendix F Not used at this time Oki Data Corporation ...
Page 447: ...Appendix G PC Loading FirstEdition February 1999 Oki Data Corporation ...
Page 465: ...Appendix H RMCS SYSTEM MANUAL For Model 30 FirstEdition Oki Data Corporation ...
Page 466: ......