TDS EJ-640 Maintenance Manual page 7

Care and Maintenance of the Print Heads
Care of the print heads is essential to ensuring optimal printing at all times. There are
maintenance tasks that should be performed daily and those that should be performed
periodically.
Daily Care and Maintenance
- Printing tests and normal cleaning.
We recommend performing a printing test and normal cleaning before day-to-day operation.
EJ-640 Maintenance Guide