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Chapter 1 Troubleshooting
FIP1.26 ROS ASSY
Step Check
Yes
No
Possible causes:
ROS ASSY (PL8.1.1)
HARNESS ASSY ROS (PL8.1.2)
INTERLOCK S/W 5V (PL8.1.12)
HARNESS ASSY LVPS (PL12.1.1)
HVPS/MCU (PL12.1.19)
LVPS (PL12.1.5)
1
Checking the power to Laser Diode of ROS ASSY
Remove COVER TOP ASSY (PL1.1.7). (RRP1.4)
Disconnect P/J140 from ROS ASSY.
Install EP CARTRIDGE.
Close COVER OPEN (PL1.1.2).
Is the voltage across J140-8(+) and J140-7(-), 5 VDC?
Go to step 8.
Go to step 2.
2
Checking INTERLOCK S/W 5V
Remove INTERLOCK S/W 5V.
Is it continuous between P/J142-1 and P/J142-3, when
INTERLOCK S/W 5V is pushed, and is not when
released?
Go to step 3.
Replace INTER-
LOCK S/W 5V.
(RRP8.5)
3
Checking SWITCH I/L ASSY 5V
Remove SWITCH I/L ASSY 5V.
Is it continuous between P/J144-1 and P/J144-3, when
SWITCH I/L ASSY 5 V is pushed, and is not when
released?
Go to step 4.
Replace SWITCH I/
L ASSY 5V.
(RRP1.6)
4
Checking HARNESS ASSY LVPS
Disconnect P/J141 of HARNESS ASSY LVPS.
Is it conductive between P/J141-1 and P/J141-3 when
INTERLOCK S/W 5V and SWITCH I/L ASSY 5V are
pushed simultaneously, and is not when released?
Go to step 5.
Replace HAR-
NESS ASSY LVPS.
5
Checking HARNESS ASSY ROS
Disconnect P/J14 from HVPS/MCU.
Disconnect P/J140 from ROS ASSY.
Is it continuous between P/J14-1 and P/J140-8, when
INTERLOCK S/W 5V and SWITCH I/L ASSY 5V are
pushed simultaneously, and is not when released?
Go to step 6.
Replace HAR-
NESS ASSY ROS.
6
Checking power to HVPS/MCU
Remove SHIELD PLATE LVPS. (RRP12.1)
Install EP CARTRIDGE.
Disconnect P/J41 from LVPS.
Is the voltage across P/J41-4 and P/J41-3, 5 VDC?
Replace LVPS.
(RRP12.3).
Go to step 7.
7
Checking HVPS/MCU for continuity
Disconnect P/J14 and P/J11 from HVPS/MCU.
Is there continuity between P/J14-1 and P/J11-13?
Go to step 8.
Replace HVPS/
MCU. (RRP12.10).
8
Checking HARNESS ASSY LVPS for continuity
Disconnect P/J11 from HVPS/MCU.
Is there continuity between P/J11-13 and P/J41-4?
Go to step 9.
Replace HAR-
NESS ASSY LVPS.
Содержание B6500 Series
Страница 1: ...Laser Printer OKI B6500 Service Manual 060810A...
Страница 16: ...xv Blank Page...
Страница 20: ...Chapter 1 Troubleshooting Chapter 1 Troubleshooting CONTENTS Blank Page...
Страница 88: ...1 68 Chapter 1 Troubleshooting Blank Page...
Страница 160: ...1 140 Chapter 1 Troubleshooting Blank Page...
Страница 162: ...1 142 Chapter 1 Troubleshooting Blank Page...
Страница 164: ...Chapter 2 Printer Diagnostics Chapter 2 Diagnostics CONTENTS 11 Print Summary 2 16...
Страница 194: ...3 10 Chapter 3 Removal and Replacement Procedures RRPs RRP2 150 PAPER CASSETTE...
Страница 213: ...3 29 Chapter 3 Removal and Replacement Procedures RRPs RRP3 550 PAPER CASSETTE...
Страница 240: ...3 56 Chapter 3 Removal and Replacement Procedures RRPs RRP4 150 paper Feeder...
Страница 257: ...3 73 Chapter 3 Removal and Replacement Procedures RRPs RRP5 550 Paper Feeder...
Страница 277: ...3 93 Chapter 3 Removal and Replacement Procedures RRPs RRP6 Xerographics...
Страница 302: ...3 118 Chapter 3 Removal and Replacement Procedures RRPs RRP7 500 Paper Exit...
Страница 322: ...3 138 Chapter 3 Removal and Replacement Procedures RRPs RRP8 Frame Drive...
Страница 331: ...3 147 Chapter 3 Removal and Replacement Procedures RRPs RRP9 Electrical...
Страница 394: ...3 210 Chapter 3 Removal and Replacement Procedures RRPs...
Страница 403: ...3 219 Chapter 3 Removal and Replacement Procedures RRPs 4 Install the 550 FEEDER OPTION PL 12 2 RRP12 1...
Страница 454: ...3 270 Chapter 3 Removal and Replacement Procedures RRPs Blank Page...
Страница 456: ...Chapter 4 Plug Jack P J Connector Locations Chapter 4 Plug Jack P J Connector Locations CONTENTS Blank Page...
Страница 459: ...4 3 Chapter 4 Plug Jack P J Connector Locations Blank Page...
Страница 465: ...4 9 Chapter 4 Plug Jack P J Connector Locations 3 2 OCT Option P J Diagram...
Страница 468: ...4 12 Chapter 4 Plug Jack P J Connector Locations Blank Page...
Страница 470: ...Chapter 5 Parts Lists Chapter 5 Parts Lists CONTENTS Blank Page...
Страница 472: ...5 2 Chapter 5 Parts List PL 1 1 COVER ILLUSTRATION 2 Ref PL10 1 1 7 8 9 9 13 14 15 3 4 6 5 J25014AA 10 16 J244...
Страница 479: ...5 9 Chapter 5 Parts List Blank Page...
Страница 483: ...5 13 Chapter 5 Parts List Blank Page...
Страница 490: ...5 20 Chapter 5 Parts List PL 7 2 500 PAPER EXIT 2 2 OPTION FACE UP TRAY ILLUSTRA TION...
Страница 496: ...5 26 Chapter 5 Parts List OPTIONS PL 10 1 OPTION DUPLEX ILLUSTRATION...
Страница 501: ...5 31 Chapter 5 Parts List Blank Page...
Страница 529: ...6 19 Chapter 6 Principles of Operation J26119AA EP CARTRIDGE BTR ASSY...
Страница 531: ...6 21 Chapter 6 Principles of Operation LD Assembly JG6121AA SOS PWB Scanner Assembly...
Страница 535: ...6 25 Chapter 6 Principles of Operation...
Страница 547: ...6 37 Chapter 6 Principles of Operation J26615AA PWBA DUPLEX SWITCH DUPLEX SENSOR DUP MOTOR DUPLEX ROLL DUP FAN DUPLEX...
Страница 558: ...6 48 Chapter 6 Principles of Operation Blank Page...
Страница 560: ...Chapter 7 Wiring Diagrams and Signal Information Chapter 7 Wiring Diagrams and Signal Information CONTENTS Blank Page...
Страница 584: ...7 24 Chapter 7 Wiring Diagrams and Signal Information Blank Page...
Страница 608: ...Chapter 9 ESS Options Chapter 9 Controller ESS Options Contents Blank Page...
Страница 616: ...9 8 Chapter 9 ESS Options Blank Page...