MAINTENANCE PROCEDURES
20509 Issue 7 Jan 2018 3-3
ROUTINE MAINTENANCE
WARNINGS: (1) When working on or near the ink system,
protective clothing (especially safety glasses)
must be worn.
(2) Power to the printer must be removed before
carrying out any maintenance.
The main requirement is cleanliness. Keep Macrojet 2 clean and it will give
little trouble. The following procedures will make sure that print quality
does not deteriorate.
CAUTION: The ink system vent is on the underside of the
printer cabinet. Clean away any ink deposits which
may occur under the cabinet.
Cleaning the Nozzle Plate
CAUTION: Some wash solutions can damage the electronic
components inside the print head. The following
methods must be used to avoid any damage.
The nozzles must be washed and dried carefully before start-up and after
shut-down. Make sure the correct wash solution is used and always wipe
with lint-free tissue.
If only light cleaning is necessary, or the print head cannot be dismounted,
clean the nozzle plate with tissue moistened with wash solution.
For thorough cleaning:
(1) Remove the print head from its mounting.
(2) Hold the print head vertically with the nozzle plate at the bottom,
facing downwards.
(3) Using a wash bottle, flush the nozzle plate with wash solution. Pay
particular attention to the nozzles and minimise spraying solution
where it can penetrate into the head.
(4) Wipe away all wash solution while the print head is still vertical.
(5) Inspect the nozzle plate. If it is not entirely clean repeat the cleaning
process (steps (2) - (4)) with the nozzle plate facing downwards as
before.
(6) Refit the print head into its operation position.
Note: If a nozzle becomes blocked, partially or completely, purge the
print head (see
page 3-4).
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