No.
Color
Meaning
OFF
• PSU defective, or the +5.1 system (Vcc2) has shorted
or is defective.
Vcc1 +5.1 V
GREEN
ON
Normal. Also remains on in auto off mode.
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, 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.)
• Power supply
MCU LED 1 to 4
No.
Color
Operation
LED Action
LED 1
GREEN
Firmware update
Flashes rapidly
End of firmware update, normal operation
Flashes slowly
LED 2
GREEN
Firmware update
On
End of firmware update, normal operation
Off
LED 3
ORANGE
Firmware update
Flashes rapidly
End of firmware update, normal operation
Flashes slowly
LED 4
ORANGE
Firmware update
On
End of firmware update, normal operation
Off
IPU LEDs
The IPU (Image Processing Unit) processes the image data for the print job. After the scan data has been
processed, it is sent through the VDB to the LPH for image writing.
Board LEDS
223
4
Содержание Neptune-P1
Страница 1: ...Neptune P1 Machine Code G180 SERVICE MANUAL June 2007 Subject to change...
Страница 13: ...Folder D889 452 Manual Feeder D333 453 Paper Cassette B853 454 Main Machine Configuration 455 12...
Страница 103: ...1 Installation 102 1...
Страница 111: ...Fusing Gears 1 Fusing Gears Barrieta S552R Apply to the surface of the rim 2 Preventive Maintenance 110 2...
Страница 114: ...Rear Cover 1 Rear cover x 2 A 2 Controller cover B x 1 Paper Exit Unit Common Procedures 113 3...
Страница 142: ...RF Exit Sensor 1 Open the drawer of the roll feeder 2 Plate A x 2 3 RF exit sensor B x 1 x 1 Paper Feed 141 3...
Страница 170: ...5 Remove the PSU A x1 x10 x all Controller Board 1 Remove A Rear cover x2 B Controller cover x1 Boards 169 3...
Страница 177: ...3 Remove the SFDB A x 2 x 2 standoffs x 2 3 Replacement and Adjustment 176 3...
Страница 180: ...4 Remove the cooling fan D x3 x1 Others 179 3...
Страница 402: ...Toner End Recovery Flow Chart Development 401 6...
Страница 449: ...6 Details 448 6...
Страница 457: ...MEMO 456...