SmartSource Elite Series - Installation & Operations Guide
May 2019 8227 4907-005 Page 24 of 37
Cleaning track sensors
The unit includes four sensors, as shown. If dirt or dust accumulates on these sensors, errors may result.
Clean these sensors using canned or compressed air, or a soft cloth (or a cotton swab) moistened with
isopropyl alcohol. Cleansing wipes pre-soaked with suitable solvent are available from Digital Check,
www.digitalcheck.com, part number 751804907.
Cleaning the endorser cartridge (Professional Elite, Expert Elite and Ultraviolet Elite only)
It is possible for the nozzles of the inkjet cartridge to become blocked by dried ink, especially if the unit
has been unused for a long period. If the printed endorsement is degraded (light, missing or smeared
print), clean the inkjet cartridge nozzles.
If the endorsement looks like this:
Then cleaning the nozzles will make it look like this:
If cleaning the nozzles does not improve the print quality, then the ink cartridge is probably empty.