• Code: 61
• Description: Yellow Development Clutch Error
• Causes: · Loose cable connection · Defective development clutch for yellow · Defective IOD2 board · Defective MCTL board

• Code: 62
• Description: Magenta Development Clutch Error
• Causes: · Loose cable connection · Defective development clutch for magenta · Defective IOD2 board · Defective MCTL board

• Code: 63
• Description: Cyan Development Clutch Error
• Causes: · Loose cable connection · Defective development clutch for cyan · Defective IOD2 board · Defective MCTL board

• Code: 64
• Description: Black Development Clutch Error
• Causes: · Loose cable connection · Defective development clutch for black · Defective IOD2 board · Defective MCTL board

• Code: 65
• Description: Black or Yellow Toner Cartridge Retraction Error
• Causes: · Loose cable connection · Defective development solenoid – replace the front cover unit · Defective IOD2 board · Defective MCTL board

• Code: 66
• Description: Cyan or Magenta Toner Cartridge Retraction Error
• Causes: · Loose cable connection · Defective development solenoid – replace the front cover unit · Defective IOD2 board · Defective MCTL board

• Code: 71
• Description: Transfer Drum Rotation Error
• Causes: · Incorrectly installed belt cartridge · Defective transfer drum (damaged encoder, or excessive torque) · Loose cable connection · Defective drum encoder · Defective IOD1 board · Defective dc power supply board (LVPS) · Defective MCTL board

• Code: 72
• Description: Transfer Roller Contact Solenoid Error
• Causes: · Loose cable connection · Defective transfer contact solenoid · Defective IOD2 board · Defective IOD1 board · Defective MCTL board