Toshiba e-Studio 165
Troubleshooting. Image. 03 Moire/lack of sharpness, Toner offset
3. Moire/lack of sharpness
Moire
| Defective area | Step | Check items | Prescription |
|---|---|---|---|
| Density reproduction | 1 | Check the reproduction of the image density. | Adjust the density. |
| Parameter adjustment value | 2 | Check the image processing parameters. | Check the adjustment value for sharpness. |
| Printer section | 3 | Check test print image (13- [02. PRINT TEST] -113). |
When defects occur, perform the corresponding troubleshooting procedure. |
Lack of sharpness
| Defective area | Step | Check items | Prescription |
|---|---|---|---|
| Density reproduction | 1 | Check the reproduction of the image density. | Adjust the density. |
| Parameter adjustment value | 2 | Check the image processing parameters. | Check the adjustment value for sharpness. |
| Printer section | 3 | Check test print image (13- [02. PRINT TEST] -113). |
When defects occur, perform the corresponding troubleshooting procedure. |
| 4 | Check the image processing parameters. | Check the encircled areas A and B in the image, and change the sharpness intensity in the sharpness adjustment mode. |
4. Toner offset
Toner offset (Shadow image appears approx. 94 mm toward the dark image.)
| Defective area | Step | Check items | Prescription |
|---|---|---|---|
| Density | 1 | Is the density too high? | Adjust the density. |
| Fuser unit | 2 | Is the pressure of the fuser roller normal? | Check the pressure releasing parts and pressurization mechanism. |
| 3 | Is the thermistor in contact with the fuser roller? | Contact the thermistor with the fuser roller. | |
| 4 | Is there a scratch on the fuser roller surface? | Replace the fuser roller. | |
| 5 | Has the fuser roller reached its PM life? | Replace the fuser roller. | |
| 6 | Is the setting temperature of the fuser roller normal? | Check the adjustment values of fuser roller temperature? 08-407, 410, 411, 450, 515, 516 |
|
| Paper | 7 | Has the appropriate paper type been selected? | Select a proper mode. |
| 8 | Is the setting temperature of the fuser roller in each paper type normal? | Check the setting and correct it. 08-413, 437, 438, 451, 452, 453, 520, 521 |
|
| 9 | Using the recommended paper? | Use the recommended paper. | |
| Developer material | 10 | Using the specified developer material? | Use the specified developer material and toner. |
| Scanner | 11 | Are the original glass (especially the position of shading correction plate) and CIS unit dirty? | Clean them. |