Printer Ricoh cl 7100

[khaled_abosere3@yahoo.com]

Printer LCD display (please wait ) for while time then display SC 680

[hosennet]

Printer LCD display (please wait ) for while time then display SC 680

SC No : SC 680

Item : BCU/ MUSIC communication error

Definition : After the engine CPU sends a message, the Music CPU does not respond within five seconds three consecutive times.

Possible Cause : • Toner cartridge memory chip loose connection • Memory chip problem • Memory chip cable wiring problem

Troubleshooting Procedure : 1. Turn the main switch off and on.
2. Check if the toner cartridge is installed correctly.
3. Replace the toner cartridge.
4. Check if the harnesses are not damaged.
5. Replace the BCU.