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DESCRIPTION OF
PRINT OPERATIONS
OF5750/5950 Series January 2001
B - 7
The EP (image) drum surface is charged to about -800 V by the contact charge of the
charge roller.
When light from the LED head irradiates the EP (image) drum surface, the light energy
generates positive and negative carriers in the CGL. The positive carriers are moved to
the CTL by an electrical field acting on the EP (image) drum. Likewise, the negative
carriers flow into the aluminum layer (ground).
The positive carriers moved to the CTL combine with the negative charges on the EP
(image) drum surface accumulated by the contact charge of the charge roller, lowering
the potential on the EP (image) drum surface. The resultant drop in the potential of the
irradiated part of the EP (image) drum surface forms an electrostatic latent image on it.
The irradiated part of the EP (image) drum surface is kept at about -100 V.
(V)
—800
—100
0
Light
from
LED
EP drum
surface potential
Charged part
Part
irradiated
by
LED
Charged
part
Содержание OKIFAX 5950
Страница 9: ...CHAPTER 1 GENERAL INFORMATION ...
Страница 100: ...OF5750 5950 Series January 2001 1 91 NIC CONFIGURATION TYPE 2 09 22 2000 16 54 ID OKIDATA CORP E8S FAX MFP S W ...
Страница 101: ...OF5750 5950 Series January 2001 1 92 1 6 21 NIC Information ...
Страница 107: ...CHAPTER 2 INSTALLATION PROCEDURE ...
Страница 119: ...OF5750 5950 Series January 2001 2 12 Hang the document stacker onto hanging position 2 6 AC Cord Connection ...
Страница 264: ...CHAPTER 3 BRIEF TECHNICAL DESCRIPTION ...
Страница 272: ...CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY ...
Страница 277: ...OF5750 5950 Series January 2001 4 5 Appearance of the OKIFAX 5750 5950 ...
Страница 302: ...CHAPTER 5 ADJUSTMENTS ...
Страница 306: ...CHAPTER 6 CLEANING AND MAINTENANCE ...
Страница 341: ...CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5750 5950 ...
Страница 400: ...Appendix A PC Board Descriptions and Operation ...
Страница 491: ...Appendix B DescriptionsofPrintOperation ...
Страница 513: ...Appendix C Not used at this time ...
Страница 514: ...Appendix D Mechanical Expanded View Drawing and Parts List OKIFAX 5750 5950 January 2001 Oki Data Corporation ...
Страница 516: ...OF5750 5950 Series January 2001 D 1 Section 1 CABINET ASSEMBLY 27 28 29 ...
Страница 518: ...OF5750 5950 Series January 2001 D 3 Section 2 CONTROL PANEL ASSEMBLY 11 ...
Страница 520: ...OF5750 5950 Series January 2001 D 5 Section 3 PRINTER ASSEMBLY 53 54 31 10 55 52 34 56 ...
Страница 523: ...OF5750 5950 Series January 2001 D 8 Section 4 BASE ASSEMBLY ...
Страница 525: ...OF5750 5950 Series January 2001 D 10 Section 5 FRAME ASSEMBLY SCANNER L 31 30 33 32 ...
Страница 527: ...OF5750 5950 Series January 2001 D 12 Section 6 FRAME ASSEMBLY SCANNER U ...
Страница 529: ...OF5750 5950 Series January 2001 D 14 Section 7 CABLES OPTION BOARDS ...
Страница 530: ...OF5750 5950 Series January 2001 D 15 28 29 Section 7 CABLES OPTION BOARDS ...
Страница 532: ...Appendix E Not used at this time ...
Страница 533: ...Appendix F Second Paper Feeder Maintenance Manual OKIFAX 5750 5950 series January 2001 Oki Data Corporation ...
Страница 550: ...OF5750 5950 Series January 2001 F 15 5 2 PCB Layout TQSB 2PCB PU FG CONTROLLER MOTOR DRIVER SEN2 MOTOR OSC SEN1 ...
Страница 551: ...OF5750 5950 Series January 2001 F 16 Figure 6 1 6 PARTS LIST SECTION1 CABINET CASSETTE ASSEMBLY P 7 2 8 1 6 5 3 4 O ...