Ricoh D124-17 Service Manual page 626

6. Troubleshooting
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C Ink Cartridge (M): Device Error (No ACK Signal)
C Ink Cartridge (M): Communication Error
C Ink Cartridge (M): Communication Timeout
C Ink Cartridge (M): Communication Operation Stop Error
C Ink Cartridge (M): Buffer Full
C Ink Cartridge (M): Other Parameter Error
There was an error in communication with the ID Chip on the Magenta ink
cartridge. Five retries were attempted and failed.
• Ink cartridge ID data corrupted or chip damaged
• Spurious noise
• Cycle the machine off/on
• Remove the Magenta ink cartridge and set it again
• Switch the machine on
• If the problem persists, replace the Magenta ink cartridge
C Ink Cartridge (Y): Device ID Error
C Ink Cartridge (Y): Channel Error (Bus Disconnection, etc.)
C Ink Cartridge (Y): Device Error (No ACK Signal)
C Ink Cartridge (Y): Communication Error
C Ink Cartridge (Y): Communication Timeout
C Ink Cartridge (Y): Communication Operation Stop Error
C Ink Cartridge (Y): Buffer Full
C Ink Cartridge (Y): Other Parameter Error
There was an error in communication with the ID Chip on the Yellow ink
cartridge. Five retries were attempted and failed.