Oki B 6100, Technical Manual

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4-4 OKI B6100 Laser Printer - Base Engine Technical Manual
Version 1.0
Primary FIPs:Printer Perfomance Problems
4.1 Inoperative Printer
Step Actions and Questions Yes No
1
INITIAL ANALYSIS
Inspect the following components.
• Co0ntrol Assy Panel (PL1.1.6)
• PWB ESS (PL10.1.2)
• PWBA HKB PS (PL10.1.17)
• PWBA HKB26 MCU (PL10.1.13)
• PWBA HVPS (PL10.1.20)
• Fan Assy (PL9.1.7)
• Solenoid Pick Up (PL4.1.23)
• Clutch Regi (5.1.19)
• Clutch Assy Feed (PL3.1.37)
• Clutch Assy Turn (PL3.1.2)
• Motor Assy Main (PL8.1.14)
• Sensor Assy Toner (PL5.1.1)
Go to step 2. Replace the
problem com-
ponents.
2
CONTROL ASSY PANEL (PL1.1.6) ANALYSIS
1. Disconnect P/J 362 on the PWBA ESS .
2. Switch ON the Main Power.
Does the Fan Assy function normally?
Replace the
Control Assy
Panel
(RRP1.1.5).
Go to step 3.
3
PWB ESS (PL10.1.2) ANALYSIS
1. Unplug the interface cable between the PWB ESS and the
PWBA HKB26 MCU .
2. Switch ON the Main Power.
Does the Fan Assy function normally?
Replace the
PWB ESS
(RRP10.1.1).
Go to step 4.
4
PWBA HKB PS (PL10.1.17) ANALYSIS
1. Disconnect P/J28 on the PWBA HKB26 MCU .
2. Switch ON the Main Power.
3. Read voltage within 30 seconds after switching on the Main
Power.
Are the following voltages present on the pins of J28?
Is there +3.3VDC between J28-10 and J28-8?
Is there+5VDC between J28-7 and J28-8?
Is there +24VDC between J28-1 and J28-8?
Is there +24VDC between J28–2 and J28-8?
Is there +24VDC between J28-1 and J28-8?
Go to step 5. Replace the
PWBA HKB
PS
(RRP10.1.9).