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Board LEDS
B286/B289 4-46
SM
No.
Color
Meaning
shorted or is defective.
ON
Normal. Also remains on in auto off mode.
Vcc1 +5.1 V GREEN
OFF
!
PSU defective, or the +5.1 system (Vcc1) has
shorted or is defective.
MCU LEDs
The MCU (Main Control Unit) performs system control, base engine control, scanner
control, and also controls the IPU. The MCU also controls:
!
I/O for the base engine (high voltage power supply, motors, sensors, solenoids,
clutches, fusing temperature, customer support systems, etc.)
!
Scanning signals (sensors, motors)
!
Power
supply
!
Scanner motor output
MCU LED 1 to 4
No.
Color
Operation
LED Action
Firmware update
Flashes rapidly
LED 1
GREEN
End of firmware update, normal operation Flashes slowly
Firmware update
On
LED 2
GREEN
End of firmware update, normal operation Off
Firmware update
Flashes rapidly
LED 3
ORANGE
End of firmware update, normal operation Flashes slowly
Firmware update
On
LED 4
ORANGE
End of firmware update, normal operation Off
Содержание B286
Страница 1: ...B286 B289 SERVICE MANUAL 003165MIU...
Страница 2: ......
Страница 3: ...B286 B289 SERVICE MANUAL...
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Страница 5: ...B286 B289 SERVICE MANUAL 003165MIU...
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Страница 35: ...INSTALLATION...
Страница 36: ......
Страница 117: ...PREVENTIVE MAINTENANCE...
Страница 118: ......
Страница 127: ...REPLACEMENT AND ADJUSTMENT...
Страница 128: ......
Страница 186: ...Boards B286 B289 3 58 SM 9 Remove the shield cover A x12 10 Remove A MCU x4 x1 B IPU x4...
Страница 198: ...Others B286 B289 3 70 SM 4 Remove the cooling fan D x 1 x 3...
Страница 216: ......
Страница 217: ...TROUBLESHOOTING...
Страница 218: ......
Страница 269: ...SERVICE TABLES...
Страница 270: ......
Страница 507: ...DETAILS...
Страница 508: ......
Страница 511: ...Overview SM 6 3 B286 B289 Details 6 1 2 MECHANICAL COMPONENT LAYOUT...
Страница 513: ...Overview SM 6 5 B286 B289 Details 6 1 3 DRIVE LAYOUT 1 Scanner Motor 2 Drum Motor 3 Main Motor 4 Fusing Motor...
Страница 526: ...Image Processing B286 B289 6 18 SM Text Mode...
Страница 529: ...Image Processing SM 6 21 B286 B289 Details Patched Original Mode...
Страница 530: ...Image Processing B286 B289 6 22 SM Generation Mode...
Страница 552: ...Development B286 B289 6 44 SM Toner End Recovery Flow Chart...
Страница 553: ...Paper Feed and Registration SM 6 45 B286 B289 Details 6 7 PAPER FEED AND REGISTRATION 6 7 1 OVERVIEW Layout Diagrams...
Страница 585: ...Fusing Unit SM 6 77 B286 B289 Details In the table below PR is the Pressure Roller and HR is the Hot Roller...
Страница 613: ...SPECIFICATIONS...
Страница 614: ......