Toshiba e-Studio 855
Troubleshooting. Image. 19 Jittering image, Poor cleaning
19.Jittering image
| Defective area | Step | Check items | Prescription |
|---|---|---|---|
| - | 1 | Is the toner image on the drum normal? | If normal, perform steps 2 to 4. Perform step 5 and followings in case the image is abnormal. |
| Registration roller | 2 | Is the registration roller rotating normally? | Check the registration roller area and springs for installation condition. |
| Fuser roller and pressure roller | 3 | Are the fuser roller and pressure roller rotating normally? | Check the fuser roller area. Replace the rollers if necessary. |
| Drum | 4 | Is there a big scratch on the drum? | Replace the drum. |
| Operation of carriage | 5 | Is there any problem with the slide sheet? | Replace the slide sheet. |
| 6 | Is there any problem with the carriage foot? | Replace the carriage foot. | |
| 7 | Is the tension of the timing belt normal? | Adjust the tension. | |
| 8 | Is there any problem with the drive system of the carriage? | Check the drive system of the carriage. | |
| Scanner | 9 | Is the mirror secured? | Secure it. |
| Drum drive system | 10 | Is there any problem with the drive system of the drum? | Check the drive system of the drum. Clean or replace the gears if they have stains or scratches. |
20.Poor cleaning
| Defective area | Step | Check items | Prescription |
|---|---|---|---|
| Developer material/Toner/ Photoconductive drum | 1 | Using the specified developer material, toner and photoconductive drum? | Use the specified developer material, toner and photoconductive drum. |
| Dram cleaning brush | 2 | Is the cleaning brush damaged or has it reached its PM life? | Replace the cleaning brush. |
| Fuser unit | 3 | Are there bubble-like scratches on the fuser roller (188mm pitch on the printed image)? | Replace the fuser roller. Check and adjust the temperature control circuit. |
| 4 | Is the pressurization of the press roller normal? | Check and adjust the pressurization mechanism. | |
| 5 | Is the temperature of the fuser roller normal? | Check the adjustment value of fuser roller temperature. (08-410, 411, 412, 413, 437, 1804) |
|
| 6 | Is the pressurization of the cleaning web normal? | Check the installation state of the cleaning web mechanism. | |
| 7 | Is the cleaning web transported normally? | Replace the moter. | |
| 8 | Using the specified cleaning web? | Use the specified cleaning web. | |
| Drum cleaning blade | 9 | Is the drum cleaning blade in proper contact with the drum? | Check the cleaning blade and replace it if it does not contact with the cleaning blade properly. |
| 10 | Has the drum cleaning blade been turned up? | Replace the drum cleaning blade. Check and replace the drum if necessary. | |
| Toner recovery auger | 11 | Is the toner recovered normally? | Clean the toner recovery auger. Check the pressure of the cleaning blade. |