Service Manual
683311W
7-1
7. PREVENTIVE MAINTENANCE
7.1 CLEANING
In order that the printer functions well it is advised to clean the internal parts periodically and in any
case whenever it is serviced.
7.1.1 CLEANING THE PRINTER CASE
Firstly power off the printer and then disconnect it from the electrical power socket. Clean the case
using a damp cloth; avoid the use of corrosive substances such as solvents, alcohol solutions, petrol
or abrasive components.
7.1.2 CLEANING THE PAPER PATHS
Clean all the document paths including the paper transport rollers of the front infeed device and the
cheques module feeder, taking care to remove any paper or ribbon residues that have deposited on
the parts, or any foreign bodies.
7.1.3 CLEANING THE RESET PRINTHEAD PHOTOSENSOR REFLECTIVE SENSOR
This preventive cleaning operation performed during a service call must be carried out without using
liquids (dry only) and with the aid of a small brush or cotton swab.
Also make sure that the reflective film is completely glued to the print bar, and if it is not replace it after
accurately cleaning and degreasing it.
7.1.4 CLEANING THE SCANNER
Open the cover, lift the machine and clean the scanner protective glass by using a soft damp cloth.
7.1.5 CLEANING THE READING HEAD FOR HORIZONTAL/
MICR MAGNETIC STRIPS
To clean, use the special card (code 751498E) supplied with machines that have horizontal magnetic
devices or the MICR unit installed.
Cleaning can be carried out either automatically or manually by the field engineer.
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