Ricoh MP3500G
Troubleshooting. Electrical Component Defects 1
SENSORS
| Component (Symbol) | CN | Condition | Symptom |
|---|---|---|---|
| Scanner Home Position (S1) | 504-5(SIB) | Open | SC121 is displayed. |
| Shorted | SC120 is displayed. | ||
| Platen Cover (S2) | 504-8 (SIB) | Open | APS and ARE do not function properly. |
| Shorted | No symptom. | ||
| Original Width (S3) | 505-3, 4 (SIB) | Open | CPU cannot detect the original size properly. APS and ARE do not function correctly. |
| Shorted | |||
| Original Length-1 (S4) | 505-8,9 (SIB) |
Open | CPU cannot detect the original size properly. APS and ARE do not function correctly. |
| Shorted | |||
| LD Unit Home Position (S6) | 204-B2 (IOB) |
Open | SC328 is displayed when the laser beam pitch is changed. |
| Shorted | SC327 is displayed when the laser beam pitch is changed. | ||
| Toner Density (TD) (S7) |
222-5 (IOB) |
Open | The add toner indicator blinks even if there is toner in the development unit. |
| Shorted | SC390-01 is displayed. | ||
| Paper Exit (S8) | 202-B2 (IOB) |
Open | The Paper Jam indicator will light whenever a copy is made. |
| Shorted | The Paper Jam indicator lights even if there is no paper. | ||
| Registration (S9) | 224-B2 (IOB) |
Open | The Paper Jam indicator lights even if there is no paper. |
| Shorted | The The Paper Jam indicator will light whenever a copy is made. | ||
| Image Density (ID) (S10) |
203-5 (IOB) |
Open | SC350-03 is displayed after copying. |
| Shorted | SC350-01 is displayed after copying. | ||
| Upper Paper Height (S11) | 220-2 (IOB) |
Open | Add Paper is displayed even if there is paper. If this condition occurred four times, SC501-02 will be displayed. |
| Shorted | SC501-01 is displayed. | ||
| Lower Paper Height (S12) | 214-2 (IOB) |
Open | Add Paper is displayed even if there is paper. If this condition occurred four times, SC502-02 will be displayed. |
| Shorted | SC502-01 is displayed. | ||
| Upper Paper End (S13) | 220-8 (IOB) |
Open | The Paper End indicator lights even if paper is placed in the upper paper tray. |
| Shorted | The Paper End indicator does not light even if there is no paper in the upper paper tray. | ||
| Lower Paper End (S14) | 214-8 (IOB) |
Open | The Paper End indicator lights even if paper is placed in the lower paper tray. |
| Shorted | The Paper End indicator does not light even if there is no paper in the lower paper tray. | ||
| Upper Relay (S15) | 220-5 (IOB) |
Open | The Paper Jam indicator will light whenever a copy is made. |
| Shorted | The Paper Jam indicator lights even if there is no paper. | ||
| Lower Relay (S16) | 214-5 (IOB) |
Open | The Paper Jam indicator will light whenever a copy is made. |
| Shorted | The Paper Jam indicator lights even if there is no paper. | ||
| Transfer Belt Position (S19) | 202-A10 (IOB) |
Open | No symptom |
| Shorted | SC403 is displayed |