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The OKIPAGE 4w Plus/4m malfunctions after the power supply has been
turned on.
• Turn the power supply off, then on again.
• Is the LED lamp on?
• No
Is the AC cable connected correctly?
• No
Connect the AC cable correctly.
• Yes Is +5 V supplied between CN1 Pin 7 and CN1 Pin 13 of the high-voltage
power supply board?
(Pin 7: +5 V, Pin 13: 0 V)
• No
Are the CN1 connectors of the high-voltage power supply board and
main control board connected correctly?
• No
Connect the CN1 connectors correctly.
• Yes
Is +5 V supplied between CN2 Pin 2 and CN2 Pin 3 of the main
control board?
(Pin 2: +5 V, Pin 3: 0 V)
• No
Replace the power supply board.
• Yes
Replace the main control board.
• Yes Is 1-2 V voltage supplied between CN1 Pin 2 and CN1 Pin 13 of the high-
voltage power supply board?
• No
Replace the main control board.
• Yes Replace the high-voltage power supply board.
• Yes
Replace the main control board.
Summary of Contents for OKIPAGE 4M
Page 2: ...HP LaserJet and PCL5e are trademarks of Hewlett Packard Co...
Page 6: ...1 CONFIGURATION...
Page 9: ...1 3 1 3 Option 1 2MB HBRB PCB Option Memory Board Only OKIpage 4m...
Page 13: ...2 OPERATION DESCRIPTION...
Page 36: ...3 PARTS REPLACEMENT...
Page 41: ...3 5 Base Plate Unit Figure 3 3 Power supply unit Main control board Base plate assy...
Page 51: ...3 15 1 1 3 2...
Page 52: ...3 16 7 9 B Voltage display side 8 C 8 5 A 0 6 4...
Page 62: ...4 ADJUSTMENT...
Page 68: ...5 PERIODICAL MAINTENANCE...
Page 71: ...6 TROUBLESHOOTING PROCEDURES...
Page 93: ...7 WIRING DIAGRAM...
Page 98: ...7 5 7 2 3 High Voltage Power Supply Board...
Page 99: ...8 PARTS LIST...
Page 100: ...8 1 8 PARTS LIST Figure 8 1 Cover Assy Upper 6 5 4 1 2 3 1...
Page 105: ...8 6 1 3 4 2 5 Figure 8 3 Heat Assy...
Page 107: ...8 8 Figure 8 4 Base Plate Unit 7 7 7 7 3 4 2 6 1 8 9...
Page 109: ...APPENDIX...
Page 116: ...C 2 As viewed from the cable side 8 7 6 5 4 3 2 1 5 Connector Pin Arrangement...
Page 121: ...D 5 Engine Maintenance Driver GUI Figure D 1 Main Menu Dialog Figure D 2 Test Print Dialog...
Page 122: ...D 6 Figure D 3 Option Menu...
Page 123: ...D 7 Figure D 4 About Dialog...