Ricoh 3506 color copier

• Code: 563
• Description: Pressure roller overheat 3 (software error)
  The detected fusing roller temperature stays at 230°C or more for 1 second.
• Causes: • Defective PSU • Defective BCU
• Remedy: 1. Replace the pressure roller thermistor (center). 2. Replace the PSU. 3. Replace the BCU.

Ricoh Aficio SPC430DN Error Codes List page 11 from 17

Esto dice que es posible que el Photo Conductor Unit Copier Drum es malo o el Color Copier BCU Engine Control Board es malo.

450

D
Feed Development Motor Error
•???? Motor lock caused by overload.
•???? Motor driver defective.
The PLL lock signal remains LOW for 2 s while the feed development motor is operating.

need to clean the optics for sc-172

replace the developing unit motor. .part number ax06 0240

Check the developer unit. can the gears secion rotate normally?

fuser assy replace it and reset code or have tech come out and fix it

You can not stop a firmware update.
Did you turn the machine off while the firmware update? If you did that your NVram is broken
I think that the only chance you have is with a new NVram. Sorry but you will have to put a new NVram.

Fuser error.
Fix problem (Fuse, lamp, or thermistor), then reset code by entering service mode and powering off/on machine

Hello sir; Let's try to reset;
1, press "clear mode", "107", then press and hold down "clear/stop" for about 3 second.
2, touch copier SP,
3, enter SP5-810-2 pres enter.
4, press 1, then turn power off and back on .

problematic machine. transfer belt damaged(white spots ) for temp fix try manual registration from menu