Toshiba e-Studio 165
Troubleshooting. Image. 17 Faded image (low density, abnormal gray balance), Image dislocation in feeding direction
17.Faded image (low density, abnormal gray balance)
| Defective area | Step | Check items | Prescription |
|---|---|---|---|
| Toner empty | 1 | Is "ADD TONER" symbol lit? | Replace the toner cartridge. |
| Auto-toner circuit | 2 | Is there enough toner in the cartridge? | Check the performance of the auto- toner circuit. |
| 3 | Is the toner density in the developer material too low? | ||
| Toner motor | 4 | Is the toner motor working normally? | Check the toner motor and the motor drive. |
| Toner cartridge | 5 | Is there any problem with the toner cartridge? | Replace the toner cartridge. |
| Developer material | 6 | Has the developer material reached its PM life? | Replace the developer material. |
| Developer unit | 7 | Is the magnetic brush in proper contact with the drum? | Check the installation of the developer unit. Adjust the doctor-sleeve gap and polarity. |
| 8 | Is the developer sleeve pressurization mechanism working? | Check the mechanism. | |
| Main charger | 9 | Is the main charger dirty? | Clean it or replace the needle electrode and main charger grid. |
| Drum | 10 | Is "film-forming" occurring on the drum surface? | Clean or replace the drum. |
| 11 | Has the drum reached its PM life? | Replace the drum. | |
| Transfer charger | 12 | Is the transfer charger wire cut off? | Replace the transfer charger wire. |
| High-voltage transformer | 13 | Is the setting for the high-voltage transformer proper? | Adjust the output from the high- voltage transformer. |
| 14 | Are the connectors of the high- voltage harness securely connected? Is the harness open circuited? | Reconnect the harness securely. Replace the high-voltage harness. | |
| Discharge LED | 15 | Are the connectors of discharge LED harness securely connected? | Reconnect the harness securely. |
18.Image dislocation in feeding direction
| Defective area | Step | Check items | Prescription |
|---|---|---|---|
| Scanner/Printer adjustment | 1 | Have the printed images been dislocated in the same manner? | Adjust the position of the leading edge of paper in the Adjustment Mode. |
| Registration roller | 2 | Is the registration roller dirty, or the spring detached? | Clean the registration roller with alcohol. Securely attach the springs. |
| 3 | Is the registration roller working properly? | Adjust or replace the gears if they are not engaged properly. | |
| Registration clutch | 4 | Is the registration clutch working properly? | Check the registration clutch, and replace them if necessary. |
| Pre-registration guide | 5 | Is the pre-registration guide installed properly? | Install the guide properly. |
| Feed system | 6 | Is the aligning amount proper? | Adjust the aligning amount. |