Toshiba e-Studio 355
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 (04-114). | 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 (04-114). | 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.110mm 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 (08-5285: Only e-STUDIO355/455) |
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7 | Is the power supplied between the fuser unit entrance guide and the registration roller on the equipment side? | Check if the power supply bracket of the fuser unit is installed properly. | |
Paper | 8 | Has the appropriate paper type been selected? | Select a proper mode. |
9 | Is the setting temperature of the fuser roller in each paper type normal? | Check the setting and correct it. (08-412, 413, 437, 438, 451, 452, 453, 518, 520, 521) (08-5328, 5329, 5330, 5331, 5332: Only e-STUDIO355/455) |
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10 | Using the recommended paper? | Use the recommended paper. | |
Developer material | 11 | Using the specified developer material? | Use the specified developer material and toner. |
Scanner | 12 | Are the original glass (especially the position of shading correction plate), mirror and lens dirty? | Clean them. |