x-Lab Dot Matrix Printer XDP-321 User's Manual
- iii -
Important Safety Instructions
Read all of these instructions carefully and thoroughly and save them for future reference. The
unauthorized operation would lead to malfunction or accident. Manufacturers have no
responsibilities for the problems which are led by unauthorized operations from users.
Note: The contents of this manual are subject to change without notice.
* All parts of the printer can be recycled. When it is abandoned, we can call it back freely.
Please contact us when you abandon it.
1. Follow all warnings and instructions in the manual as well as marked on the product.
2. If the printer has been used recently , please do not touch the print head for overheating.
3. Do not put your fingers under the left and right tractor sprocket covers .
4. Unplug this product from the power outlet before cleaning. Do not use liquid or aerosol cleaners. Use a
damp cloth for cleaning.
5. Do not use this product near water.
6. Do not place this product on an unstable cart, stand or table. If this product fall, this may cause serious
damage to you or the product.
7. Slots and openings on the cabinet and the back or bottom are provided for air ventilation. To ensure
reliable operation of the product and to protect it from overheating, do not block or cover this area.
8. This product should never be placed near or over a radiator or heat origin, and should avoid from
direct sunshine.
9. Do not use in locations subject to high humidity or dust levels. Excessive humidity and dust may cause
equipment damage or fire.
10. Don’t remove the printer’s out-cover and never try to repair the printer by yourself . When it needed to
be repaired , please call or take it to the professional.
11. To ensure the safety of machine, please unplug this product from electric port connection if it is not
used for long time.
12. This product belongs to the impact printer, it produces noise during printing, so we suggest you to
place this printer in a relatively independent area.
13. Check the proper ventilation in room before using this printer.
14. Unplug this product from the power outlet and leave servicing to qualified service personnel under the
following conditions:
A. When the power cord or plug is damaged or frayed.
B. If liquid has been spilled into the product.
C. If the product has been exposed to rain or water.
D. If the product does not operate normally when the operating instructions are followed.
E. If the product has been dropped or the cabinet has been damaged.
F. If the product exhibits a distinct change in performance, it indicates a need for service.