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Maintenance & Troubleshooting
7-4 Malfunction
Error Status
1. Check power is supplying
No power
2. Check fuse F1 open
1. Thermostat open
Fuser Error
2. AC wire open
3. Thermistor wire open
4. Engine Controller
1. When close Top cover, check the
Cover open
2. Micro switch's contact
3. CPU and related circuit
Check where Jam 0 happens
Jam 0
1. Paper is not picked up
2. Paper is located in feed sensor
3. Happened when inserting specific
4. Happened when inserting specific
5. Is the Stacker Extender is folded out?
6. Does not the Guide Adjust distort the
Paper is stopped in just after of fuser
Jam 1
unit.
7-22
Check
lever is pressed
papers such as envelope into the
MPF (Multipurpose Paper Feeder)?
papers such as envelope into the
Manual Feeder?
papers
Solution
1. If supplying power differs from machine's
power rating, replace the machine.
2. Replace it.
1. Detach AC connector and measure the
resistane between pin 1 and 2. If it is megohm,
thermostat is open, Replace it.
2. Check bad connector contact or wire is cut.
3. Check thermistor wire and its connection.
4. Replace Engine Control board
1. Open top cover and press the lever with pen. If
Controller detects cover close, there is some
mechanical trouble in top cover and lever's
assembly. If not so there is electrical problem.
1. Check whether solenoid is working or not by
using DCU mode #6 (Acoustic judgement)
2. Check feed sensor malfunction.
Check if it is misplaced with paper width
sensor.
3. Re-try inserting a fewer papers.
•fan the papers and align
•take out the loaded papers and insert
them reverse direction
4. Take out the loaded papers and insert them
reverse direction
•inserted papers as recommended for
Manual Feeding?
•When loading, tap the papers until paper
detect sensor senses loading
5. When using long papers, use the Stacker
Extender
6. Adjust Guide to fit the paper width
1. It is mostly resulted from double feeding.
Check paper is well stocked in feeder.
2. Check feed actuator position and actuator's
operating. There may be stiff movind or double
reflection. If not so, check the operation of feed
sensor by DCU mode #8.
3. Check exit lever operation. Remore jam and
check actuator moving by hand. If actuator is
too stiff, paper is wrapped around the heat
roller. Remove obstacles or replace.
Samsung Electronics
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