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ELECTRICAL COMPONENT DEFECTS
SM 4-15
C262/C265
Trouble-
shooting
Name State
Symptoms
The sensor detects the
drum is at the 2
nd
position, but it is not
The drum will not stop after one sheet of
paper is fed when the Start button is
pushed.
The sensor detects the
drum is not at the home
position, but it is
The green LED stays lit and the red LED
stays off.
Drum home position
sensor
The sensor detects the
drum is at the home
position, but it is not
The green LED stays off and the red LED
stays lit.
SC302 (drum home position sensor error)
occurs after the drum tries to move to
home position 3 times when the front
cover is opened and closed.
Short circuit
SC307 occurs immediately after the main
switch is turned on.
Thermistor
Broken wire
SC306 occurs immediately after the main
switch is turned on.
Detects ink, but there is
no ink
The printed image is patchy because ink
is not supplied when the Start button is
pushed.
Ink detection pin
Does not detect ink, but
ink is present
Excess ink is supplied, but the overflow
sensor will detect the overflow and
prevent the ink leakage.
Replace or clean the ink detection pin
Detects a cartridge, but
no cartridge is present
The printed image will be pale, because
the drum tries to supply ink without an ink
cartridge.
Ink cartridge set
switch
Does not detect a
cartridge, but a cartridge
is present
The machine displays “Set ink cartridge”
after the main switch is turned on.
Drum shift sensor
Does not detect a signal If a signal does not come from the
encoder for 6 seconds, SC305 occurs
(drum shift motor lock).
Drum shift HP sensor
Does not detect a signal SC304 (drum shift motor lock) occurs if
one of these two conditions occurs:
•
The drum does not go back to home
position within 3 seconds.
•
The drum does not go to the
requested drum shift position within 6
seconds.
Stays on
If the sensor does not turn off, SC308 (ink
pump motor lock) occurs.
Ink pump sensor
Stays off
If the sensor does not turn on, SC308 (ink
pump motor lock) occurs.
Stays on (detects that the
idling roller is at home
position, but it is not)
If the sensor does not turn off more than 4
seconds after the main switch is turned
on, SC315 (idling roller motor lock)
occurs.
Idling roller HP sensor
If the sensor does not turn on more than 4
seconds after the main switch is turned
on, SC315 (idling roller motor lock)
occurs.
Содержание LDD250
Страница 1: ...LDD280 C262 LDD250 C265 SERVICE MANUAL 002648MIU rev 05 31 06...
Страница 2: ......
Страница 3: ...C262 C265 SERVICE MANUAL...
Страница 4: ......
Страница 5: ...C262 C265 SERVICE MANUAL 002648MIU...
Страница 6: ......
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Страница 10: ......
Страница 12: ......
Страница 24: ......
Страница 28: ...SPECIFICATIONS...
Страница 29: ......
Страница 34: ...INSTALLATION...
Страница 35: ......
Страница 43: ...INSTALLATION PROCEDURE C262 C265 1 8 SM C262I044 WMFF C262I046 WMFF...
Страница 70: ...PREVENTIVE MAINTENANCE...
Страница 71: ......
Страница 74: ...REPLACEMENT AND ADJUSTMENT...
Страница 75: ......
Страница 84: ...SCANNER UNIT SM 3 9 C262 C265 Replacement Adjustment C Scanner drive motor x 1 x 2 1 spring C262R008 WMF C...
Страница 154: ...PAPER FEED SECTION SM 3 79 C262 C265 Replacement Adjustment E Paper feed assembly x 4 x 3 C262R087 WMF E...
Страница 233: ...TROUBLESHOOTING...
Страница 234: ......
Страница 259: ...SERVICE TABLES...
Страница 260: ......
Страница 321: ...DETAILED SECTION DESCRIPTIONS...
Страница 322: ......
Страница 394: ...DRUM C262 C265 6 72 SM 6 7 5 DRUM DRIVE MECHANISM C262D063 WMF C262D065 WMF C262D066 WMF A B C D E...