[B]: Abnormal Mode: Leds On The Controller Board - Ricoh MP C2504 Field Service Manual

6. Troubleshooting
Normal situation: POSTCODE LED 8 and BIOS LED blinking for 1 second
No.
LED For CPU
- POSTCODE 8 and LED16 blink when the CPU is operating normally.
- POSTCODE 8 and LED16 is lit or off when there is a problem with the CPU.

[B]: Abnormal mode: LEDs on the controller board

LEDs 1 to 8 blink constantly
982
Note