Ricoh FT6655

• Code: 144
• Description: 3rd scan sensor problem

• Code: 145
• Description: 3rd scan sensor problem

• Code: 146
• Description: Magnification problem

• Code: 190
• Description: Optics thermistor open circuit

• Code: 191
• Description: Scan motor thermistor

• Code: 302
• Description: Charge corona short