4-22
Samsung Electronics
Troubleshooting
After printing
completed, any error
related fuser?
Both ends
of thermostat
open?
Replace thermostat
and re-test
Replace the contol
component on engine
board
Check any contact
problem in thermistor
and repair
The machine
placed under the
severe low tempera
ture for a long
time?
Place the machine
at normal
temperature and
re-test
While printing,
the voltage of pin 60
of U34(CPU) on Main
board is 2.0V
~2.3V?
Thermistor’s
contact is OK?
Open the top
cover. When black
printing, is the fuser NIP
width is 1.2~
3.0mm?
The paper used is too
thick or contains too
much cotton in it
-> Re-test with the
recommended paper
Check if the hardness of
P/R, and spring force is OK?
(spring’s force: 2.5 Kg)
Re-assemble
thermistor
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Poor Fusing Grade
Содержание ML-4600/XET
Страница 2: ...ELECTRONICS Samsung Electronics Co Ltd October 2000 Printed in Korea VERSION NO 1 00 P N JC 0029A ...
Страница 30: ...Disassembly and Reassembly 3 22 Samsung Electronics MEMO ...
Страница 58: ...4 28 Samsung Electronics Troubleshooting Memo ...
Страница 70: ...Exploded Views and Parts Lists 5 12 Samsung Electronics 5 5 Shield Engine Unit Exploded View 1 2 1 1 1 3 4 2 0 ...
Страница 72: ...Exploded Views and Parts Lists 5 14 Samsung Electronics 5 6 RX Drive Exploded View 1 4 2 3 5 6 7 S 7 S 7 0 ...
Страница 76: ...Exploded Views and Parts Lists 5 18 Samsung Electronics Memo ...
Страница 86: ...PCB Diagrams Samsung Electronics 9 4 MEMO ...
Страница 88: ...Memo Samsung Electronics 8 2 Connection diagram ...
Страница 101: ...Schematic Diagrams 10 13 Samsung Electronics 10 4 Panel Circuit Diagram ...