| Failure status |
Failure point and check method |
Measures |
| (1)No primary paper feed. |
Check if the surface of the paper feed roller is dirty with paper dust, etc. |
Clean the roller surface with alcohol. |
| Paper feed roller is deformed. |
Check and replace paper feed roller assy if it is deformed. |
| Feed clutch attaching failure. |
Check and repair if failed. |
| (2)No secondary paper feed. |
Check if the surface of the upper registration roller and lower registration roller is dirty with paper dust, etc. |
Clean the roller surface with alcohol. |
| Registration clutch attaching failure. |
Check and repair if failed. |
| (3)Skewed paper feed. |
Poor attachment of the paper width guide in a cassette. |
Check if the paper width guide is set at the correct position and repair or replace it if it has a problem. |
| (4)Multiple sheets paper are fed. |
Check if the bottom pad and MFP separation pad is worn. |
Replace if worn out. |
| Check if there is extreme curl on paper. |
If curled, replace paper. |
| (5)Paper jam |
Check if there is extreme curl on paper. |
If curled, replace paper. |
| Check if the upper registration roller contacts the lower registration roller correctly. |
Check and repair if failed. |
| Extreme dirt or deformation of the heat roller and press roller. |
Replace the fuser unit. |
| Check if the exit roller contacts the fuser exit pulley correctly. |
Check and repair if failed. |
| (6)Toner drops to the paper conveying section. |
Check if the developer unit or drum unit is extremely dirty. |
Clean the developer unit or drum unit. |
| (7)An abnormal sound is generated |
Check if each roller, pulley and gear rotate smoothly. |
Apply grease to the bushing and roller shaft. |
| Paper feed clutch, Registration clutch, developer clutch attaching failure. |
Check and repair if failed. |