Oki OKIPAGE24DX Maintenance Manual page 130

From on the preceding page
From on the preceding page
• Yes
• Is the printer recovered?
• YES END.
• No Is the heater or thermistor open?
Measure the resistance between the thermistor contacts, and between heater
contacts (normal resistance: 220 k (25 C) between pins 1 and 2, 1.5
and 5.8
• Yes
• No Is the AC voltage applied to the CN2 connector on the Power Supply Unit
(AC120V or 230V)? (See Figure 6-3)
• No
• Yes
• Yes
• YES Go to
40930701TH DRAFT Vesion
A .
.
B
Replace the fuser unit.
• No Replace the Main board.
(240 V) between pins 3 and 4) (See Chapter 7.3.)
Replace the fuser unit.
Is CN2 connector connected to the Power Supply Unit (AC120V or 230V)?
• No Connect the CN2 connector to the Power Supply Unit (AC120V or
230V) properly.
Is Pin 6 (HEAT ON signal) of the POWER connector of the Main board turned
on? (In heater on state, this pin is set to 0 V).
• No Replace the Main board.
Replace the Power Supply Unit (High Voltage).
.
B
(120 V)
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