1 – 78
Chapter 1 Troubleshooting
FIP2.9 MOTOR DUPLEX
Step Check
Yes
No
Possible causes:
MOTOR DUPLEX (PL21.1.29)
PWBA DUPLEX (PL21.1.32)
HARNESS ASSY DUP (PL21.1.7)
HVPS/MCU (PL12.1.19)
LVPS (PL12.1.5)
HARNESS ASSY LVPS (PL12.1.1)
1
Checking HARNESS ASSY DUP for continuity
Remove Option Duplex.
Disconnect P/J50 from PWBA DUPLEX.
Does each cable between J2750 and J50 have continu-
ity?
Go to step 2.
Replace HAR-
NESS ASSY DUP.
2
Checking HARNESS ASSY LVPS for continuity
Disconnect P/J27 from HVPS/MCU.
Does each cable between J27 and J2750 have continu-
ity?
With tool Go to
step 3. Without
tool Go to step 4.
Replace HAR-
NESS ASSY LVPS.
3
Checking MOTOR DUPLEX for rotation
Does the motor rotate?
Check by the rotating sound of the motor.
Check using Chapter 2 Diagnostic [Duplex Motor,
Clockwise Normal Speed Test].
Replace HVPS/
MCU.
(RRP12.10)
Go to step 4.
4
Checking after replacing MOTOR DUPLEX
Replace MOTOR DUPLEX.
Is the problem cleared after replacing the MOTOR
DUPLEX?
End of work
Go to step 5.
5
Checking the power to MOTOR DUPLEX
Is the voltage across P/J27-8(+) and P/J27-7(-) on
HVPS/MCU, 24 VDC?
Go to FIP2.8
PWBA DUPLEX.
Go to step 6.
6
Checking HVPS/MCU for continuity
Disconnect P/J10 and P/J27 from HVPS/MCU.
Is there continuity between P10-1 and P27-8?
Go to FIP1.24
LVPS.
Replace HVPS/
MCU. (RRP12.10)
Summary of Contents for B6500 Series
Page 1: ...Laser Printer OKI B6500 Service Manual 060810A...
Page 16: ...xv Blank Page...
Page 20: ...Chapter 1 Troubleshooting Chapter 1 Troubleshooting CONTENTS Blank Page...
Page 88: ...1 68 Chapter 1 Troubleshooting Blank Page...
Page 160: ...1 140 Chapter 1 Troubleshooting Blank Page...
Page 162: ...1 142 Chapter 1 Troubleshooting Blank Page...
Page 164: ...Chapter 2 Printer Diagnostics Chapter 2 Diagnostics CONTENTS 11 Print Summary 2 16...
Page 194: ...3 10 Chapter 3 Removal and Replacement Procedures RRPs RRP2 150 PAPER CASSETTE...
Page 213: ...3 29 Chapter 3 Removal and Replacement Procedures RRPs RRP3 550 PAPER CASSETTE...
Page 240: ...3 56 Chapter 3 Removal and Replacement Procedures RRPs RRP4 150 paper Feeder...
Page 257: ...3 73 Chapter 3 Removal and Replacement Procedures RRPs RRP5 550 Paper Feeder...
Page 277: ...3 93 Chapter 3 Removal and Replacement Procedures RRPs RRP6 Xerographics...
Page 302: ...3 118 Chapter 3 Removal and Replacement Procedures RRPs RRP7 500 Paper Exit...
Page 322: ...3 138 Chapter 3 Removal and Replacement Procedures RRPs RRP8 Frame Drive...
Page 331: ...3 147 Chapter 3 Removal and Replacement Procedures RRPs RRP9 Electrical...
Page 394: ...3 210 Chapter 3 Removal and Replacement Procedures RRPs...
Page 454: ...3 270 Chapter 3 Removal and Replacement Procedures RRPs Blank Page...
Page 459: ...4 3 Chapter 4 Plug Jack P J Connector Locations Blank Page...
Page 465: ...4 9 Chapter 4 Plug Jack P J Connector Locations 3 2 OCT Option P J Diagram...
Page 468: ...4 12 Chapter 4 Plug Jack P J Connector Locations Blank Page...
Page 470: ...Chapter 5 Parts Lists Chapter 5 Parts Lists CONTENTS Blank Page...
Page 479: ...5 9 Chapter 5 Parts List Blank Page...
Page 483: ...5 13 Chapter 5 Parts List Blank Page...
Page 490: ...5 20 Chapter 5 Parts List PL 7 2 500 PAPER EXIT 2 2 OPTION FACE UP TRAY ILLUSTRA TION...
Page 496: ...5 26 Chapter 5 Parts List OPTIONS PL 10 1 OPTION DUPLEX ILLUSTRATION...
Page 501: ...5 31 Chapter 5 Parts List Blank Page...
Page 529: ...6 19 Chapter 6 Principles of Operation J26119AA EP CARTRIDGE BTR ASSY...
Page 531: ...6 21 Chapter 6 Principles of Operation LD Assembly JG6121AA SOS PWB Scanner Assembly...
Page 535: ...6 25 Chapter 6 Principles of Operation...
Page 558: ...6 48 Chapter 6 Principles of Operation Blank Page...
Page 584: ...7 24 Chapter 7 Wiring Diagrams and Signal Information Blank Page...
Page 608: ...Chapter 9 ESS Options Chapter 9 Controller ESS Options Contents Blank Page...