Toshiba e-Studio 655
Troubleshooting. Image. 15 Poor image transfer, Uneven image density
15.Poor image transfer
Defective area | Step | Check items | Prescription |
---|---|---|---|
Transfer belt unit | 1 | Is the surface of the transfer belt supply roller dirty with toner? | Clean it with alcohol. |
Paper | 2 | Is the paper in the drawer or LCF/ PFP curled? | Reinsert the paper with the reverse side up or change the paper. |
3 | Is the paper in the drawer or LCF damp? | Avoid storing paper in damp place. | |
4 | Is the paper type corresponding to its mode? | Select the proper mode. | |
5 | Using the recommended paper? | Use the recommended paper. | |
Registration roller | 6 | Is there any abnormality related to the registration roller or with the roller itself? | Clean the roller if it is dirty. Securely attach the springs if they are detached. Replace the clutch if it is defective. Adjust the rotation speed of the roller. |
High-voltage transformer (Transfer charger) | 7 | Is the high-voltage transformer output defective? | Replace the transformer. |
16.Uneven image density
Defective area | Step | Check items | Prescription |
---|---|---|---|
Main charger | 1 | Is the main charger dirty? | Clean or replace the main charger grid. |
Transfer belt unit | 2 | Is the surface of the transfer belt supply roller dirty with toner? | Clean it with alcohol. |
Laser optical unit | 3 | Is there any foreign matter or stain on the 2 slit glasses? | Remove the foreign matter or stain. |
Discharge LED | 4 | Are the connectors of discharge LED harness securely connected? | Reconnect the harness securely. |
5 | Is the discharge LED dirty? | Clean the discharge LED. | |
6 | Is any of the discharge LEDs off? | Replace the discharge LED. | |
Developer unit | 7 | Is the developer material transported normally? | Remove foreign matters if there is any. |
Scanner section | 8 | Are the original glass (especially the position of shading correction plate), mirror and lens dirty? | Clean them. |