Toshiba e-Studio 855
Troubleshooting. Image. 11 Skew (inclined image), Black banding (in the feeding direction
11.Skew (inclined image)
| Defective area | Step | Check items | Prescription |
|---|---|---|---|
| Drawers LCF | 1 | Is the drawer or LCF properly installed? | Install the drawer or LCF properly. |
| 2 | Is there too much paper in the drawer or LCF? | The height of paper stack should not exceed 55 mm. 137 mm or lower/room for tandem LCF. 428 mm or lower for external LCF. |
|
| 3 | Is the corner of the paper folded? | Change the direction of the paper and set it again. | |
| 4 | Are the side guides of the drawer or LCF properly installed? | Adjust the position of the side guides. | |
| Feed roller | 5 | Is the surface of the feed roller dirty? | Clean the feed roller surface with alcohol, or replace the roller. |
| Rollers | 6 | Are the roller and shaft secured? | Check and tighten the E-rings, pins, clips and setscrews. |
| Alligning amount | 7 | Is the aligning amount proper? | Increase the aligning amount. |
| Registration roller | 8 | Is the spring detached from the registration roller? | Attach the spring correctly. Clean the roller if it is dirty. |
| Pre-registration guide | 9 | Is the pre-registration guide properly installed? | Correct it. |
| Carriage-1 | 10 | Is the carriage-1 slanted? | Adjust the carriage-1. |
12.Black banding (in the feeding direction)
| Defective area | Step | Check items | Prescription |
|---|---|---|---|
| Scanner | 1 | Is there a foreign matter on the light path? | Clean the slit, lens and mirrors. |
| Shading correction plate | 2 | Is there dust or stains on part of the original glass where the shading correction plate is placed. | Clean the plate. |
| Main charger | 3 | Is there a foreign matter or stain on the charger grid, or in the main charger case? | Remove the foreign matter or stain. |
| 4 | Is the main charger grid deformed? | Replace the main charger grid. | |
| 5 | Is there a foreign matter on the main charger grid? | Remove the foreign matter. | |
| Drum | 6 | Are there scratches on the drum surface? | Replace the drum. |
| Laser optical unit | 7 | Is there a foreign matter or stain on the 2 slit glasses? | Remove the foreign matter or the stain. |
| 8 | Is the inside of the main charger case dirty? | Clean the inside of the main charger case. | |
| Cleaner | 9 | Is there paper dust sticking to the drum cleaning blade edge? | Clean or replace the cleaning blade. |
| 10 | Does the drum cleaning blade work smoothly? | Push the cleaning blade by hand. If its move is not smooth enough, clean the section where the blade is installed, then install it again. | |
| 11 | Has the used toner been recovered properly? | Clean the toner recovery auger. | |
| Fuser unit | 12 | Is the fuser roller surface dirty or damaged? | Clean or replace the fuser roller. |
| 13 | Is the fuser roller thermistor dirty? | Clean the fuser roller thermistor. |