7.2 Cylindrical lens cleaning
| The |
| highly accurate optical system in |
Screw | which the lens is positioned |
| extremely close to the exposed |
| surface. |
| Therefore, if the lens is soiled with |
| dirt or dust due to environmental |
| conditions, for example, it may show |
| up as a vertical line (white or black). |
| 1)If a vertical line appears, open the |
| front door, loosen the two screws on |
| the cylindrical lens unit, and remove |
| the entire unit by gently pulling it out |
| toward the operator. |
Remove the 2)Inspect the lens under a bright | |
entire unit | fluorescent light to check its |
by gently | cleanliness and, if there is any dirt or |
pulling it out | |
toward the | dust, clean it off with a blower. | |
operator. | ||
|
Cylindrical lens unit
Caution
Do not use compressed air when cleaning the lens.
Cylindrical lens
Clean it off with a blower
3)Never touch the lens with your hand or any kind of tool. These lens can be easily scratched and may require replacement.
Caution The plate will be fogged after you replace the lens. Before the next operation, feed one sheet through the machine.
- 48 -
