Minolta EP4050

• Code: C004d
• Description: Cooling fan at wrong speed

• Code: C0070
• Description: Toner motor

• Code: C0071
• Description: Toner motor at wrong speed

• Code: C0072
• Description: Sub-hopper toner motor

• Code: C0100
• Description: Charge corona winding problem

• Code: C0200
• Description: Corona problem