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Troubleshooting
6 - 28
OKIPAGE 16n
Service Manual, P/N 59274401
4
Fuser unit error (ERROR 71), (ERROR 72), (ERROR 73)
•
Turn the power OFF/ON.
▼
•
Does a fuser unit error occur immediately?
•
Yes
Is the thermistor open or shorted?
Measure the resistance between thermistor contacts.
(About 220 k
Ω
at room temperature, 25
°
C)
(See chapter 7.3 for the measuring points.)
•
Yes
Replace the fuser unit.
▼
•
No
Does the thermistor contact touch the contact assembly properly
when the fuser unit is mounted in the printer? (See Fig. 6-5
F
.)
•
No
Adjust the thermistor contact so as to touch the contact assembly
properly.
▼
•
Yes
Does the heat-on signal appear at pin 31 (HEAT ON signal: 0 V in heater on
state) of the POWER connector on the Main board?
•
No
Replace the Main board.
▼
•
Yes
Replace the Power/sensor board.
▼
•
No
Does a fuser unit error occur after more than 90 seconds from the power-on?
•
No
Go to
A
▼
•
Yes
Turn the power OFF/ON.
•
Is the heater of the fuser unit turned on? (When the heater is turned on, heat is radiated.)
•
Yes
Does the thermistor contact touch the contact assembly properly
when the fuser unit is mounted in the printer? (See Fig. 6-5
F
.)
•
No
Adjust the thermistor contact so as to touch the contact assembly
properly.
▼
To on the next page
B
.
▼
To on the next page
A
.
A
B
Содержание Okipage 16n
Страница 2: ...All specifications are subject to change without notice OKIPAGE 16n Service Manual P N 59274401 ...
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Страница 103: ...Adjustment 4 6 OKIPAGE 16n Service Manual P N 59274401 This page was intentionally left blank ...
Страница 117: ...Periodic Maintenance 5 2 OKIPAGE 16n Service Manual P N 59274401 This page was intentionally left blank ...
Страница 131: ...Troubleshooting 6 14 OKIPAGE 16n Service Manual P N 59274401 This page was intentionally left blank ...
Страница 143: ...Troubleshooting 6 26 OKIPAGE 16n Service Manual P N 59274401 This page was intentionally left blank ...
Страница 162: ...Troubleshooting 6 45 OKIPAGE 16n Service Manual P N 59274401 Figure 6 6 ...
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Страница 165: ...Wiring Diagrams 7 2 OKIPAGE 16n Service Manual P N 59274401 7 2 PCB Layout 1 Main board BOARD COM ...
Страница 166: ...Wiring Diagrams 7 3 OKIPAGE 16n Service Manual P N 59274401 2 Power Supply board 3 Driver board AOLC PCB ...
Страница 167: ...Wiring Diagrams 7 4 OKIPAGE 16n Service Manual P N 59274401 4 PostScript board BOARD PSBA OKIPAGE16n PS only ...
Страница 171: ...Wiring Diagrams 7 8 OKIPAGE 16n Service Manual P N 59274401 This page was intentionally left blank ...
Страница 183: ...Parts List 8 12 OKIPAGE 16n Service Manual P N 59274401 This page was intentionally left blank ...
Страница 187: ...Centronics Parallel Interface A 4 OKIPAGE 16n Service Manual P N 59274401 This page was intentionally left blank ...
Страница 203: ...High Capacity Second B 16 OKIPAGE 16n Paper Feeder Service Manual P N 59274401 This page was intentionally left blank ...
Страница 208: ...High Capacity Second B 21 OKIPAGE 16n Paper Feeder Service Manual P N 59274401 5 2 PCB Layout AOLT PCB ...
Страница 211: ...High Capacity Second B 24 OKIPAGE 16n Paper Feeder Service Manual P N 59274401 This page was intentionally left blank ...
Страница 232: ...Multi Feeder C 21 OKIPAGE 16n Maintenance Service Manual P N 59274401 5 2 PCB Layout AOLE PCB ...
Страница 233: ...Multi Feeder C 22 OKIPAGE 16n Maintenance Service Manual P N 59274401 2 3 12 4 9 8 6 1 11 10 5 7 12 6 Parts List ...
Страница 235: ...Multi Feeder C 24 OKIPAGE 16n Maintenance Service Manual P N 59274401 This page was intentionally left blank ...
Страница 238: ...OKIPAGE 16n Service Manual Part Number 59274401 Printed in the USA ...