SC TABLE
SM
4-27 B147/B149/B190
SC No.
Item
Definition
Possible Cause
Related
SCs
Troubleshooting Procedure
Type
SC
504-02
Tray 4 error (3
Tray Paper
Feed Unit)
When the main switch is
turned or when the tray is set
and if the upper limit is already
detected, the lift motor turns on
to lower the bottom plate until
the lift sensor goes off.
If the motor turns on for 7
seconds or more, the machine
asks the user to reset the tray.
If this condition occurs 3
consecutive times, this SC is
generated.
•
Defective tray lift
motor or connector
disconnection
•
Defective lift sensor
or connector
disconnection
1. Turn the main switch off and on.
2. Check the cable connections.
3. Check and/or replace the defective
component.
B
SC 530 Fusing fan
motor error
The BCU does not receive the
lock signal (CN210-B5) 5
seconds after turning on the
fusing fan.
•
Defective fusing fan
motor or connector
disconnection
•
Defective BCU
1. Turn the main switch off and on.
2. Check the connector and/or replace
the fusing fan motor.
3. Replace the BCU.
D
SC 541 Heating roller
thermistor error
The temperature measured by
the heating roller thermistor
does not reach 7 °C for ten
seconds.
•
Loose connection of
the heating roller
thermistor
•
Defective heating
roller thermistor
•
Defective BCU
1. Check if the heating roller thermistor
is firmly connected.
2. Replace the fusing unit.
3. Replace the BCU.
A
SC 542 Heating roller
warm-up error
After the main switch is turned
on or the cover is closed, the
heating roller temperature
does not reach the ready
temperature within 60 seconds
during fusing unit warm-up.
•
Heating roller fusing
lamp broken
•
Defective heating
roller thermistor
•
Defective BCU
1. Check if the heating roller thermistor
is firmly connected.
2. Replace the fusing unit.
3. Replace the BCU.
A
SC 543 Heating roller
fusing lamp
overheat
The detected fusing
temperature stays at 210°C or
more for five seconds.
•
Defective PSU
•
Defective BCU
1. Replace the PSU.
2. Replace the BCU.
A
Содержание B147
Страница 1: ...B147 B149 B190 SERVICE MANUAL 001892MIUMIU RICOH GROUP COMPANIES...
Страница 2: ......
Страница 3: ...B147 B149 B190 SERVICE MANUAL RICOH GROUP COMPANIES...
Страница 4: ......
Страница 5: ...B147 B149 B190 SERVICE MANUAL 001892MIU...
Страница 6: ......
Страница 8: ......
Страница 10: ......
Страница 12: ......
Страница 26: ......
Страница 30: ......
Страница 32: ......
Страница 33: ...INSTALLATION...
Страница 34: ......
Страница 105: ...PREVENTIVE MAINTENANCE...
Страница 106: ......
Страница 112: ......
Страница 113: ...REPLACEMENT AND ADJUSTMENT...
Страница 114: ......
Страница 201: ...TROUBLESHOOTING...
Страница 202: ......
Страница 287: ...SERVICE TABLES...
Страница 288: ......
Страница 456: ......
Страница 457: ...DETAILED DESCRIPTIONS...
Страница 458: ......
Страница 589: ...SPECIFICATIONS...
Страница 590: ......
Страница 607: ...AUTO REVERSE DOCUMENT FEEDER B597...
Страница 608: ......
Страница 610: ......
Страница 634: ......
Страница 635: ...ONE TRAY PAPER FEED UNIT B601...
Страница 636: ......
Страница 638: ......
Страница 647: ...TWO TRAY PAPER FEED UNIT B598...
Страница 648: ......
Страница 650: ......
Страница 659: ...LARGE CAPACITY TRAY B600...
Страница 660: ......
Страница 662: ......
Страница 680: ......
Страница 681: ...TWO TRAY FINISHER B599...
Страница 682: ......
Страница 714: ......
Страница 715: ...BOOKLET FINISHER B602...
Страница 716: ......
Страница 720: ......
Страница 729: ...STAPLER UNIT SM 9 B602 Booklet Fin isher B602 13 Timing belt A 14 Gear B x 1 B602R920 WMF A B...
Страница 791: ...FAX OPTION TYPE 2238 B603...
Страница 792: ......
Страница 902: ......
Страница 903: ...INTERNET FAX IFAX...
Страница 904: ......
Страница 950: ......
Страница 951: ...DataOverwriteSecurity Unit Type A B694 01 Type B B692 01...
Страница 952: ......
Страница 954: ......
Страница 958: ......
Страница 980: ...TECHNICAL SERVICE BULLETINS...
Страница 1066: ...FIRMWARE HISTORY...