EBS-6200
Printer User's Manual
Chapter 6 - Service and Maintenance
#1.0
99
20091020
6. Service
and
Maintenance
Before starting maintenance operations, read se
Daily maintenance:
´
check for the proper level of ink and solvent in the bottles and prepare new bottles to replace
those about to finish, if necessary;
´
after switching the unit on, check for correct adjustments within the head by monitoring the
indications on the terminal according to section
Routine maintenance:
´
Check periodically (
every
several switching off operations or preferably every day
) whether
the inside of the head is clean and possibly remove ink impurities from the gutter, nozzle and from
the surface of the electrodes with a solvent spray or a gentle brush.
6.1. Routine
Maintenance
The maintenance provided by the user consists of, among other things, periodical inspections and
service operations to keep the unit in good working order. Some maintenance operations need to be
done every day while others after specified periods of time.
Waste solvent metal vessel
Spray
Fig. 6.1.1.
´
The following should be replaced
every 1000 hours
of printer operation (or more frequently, if
need be):
−
Main ink filter – see section
−
Ink filter inside the gun – see section
Replacing Ink Filter Inside the Gun
−
Air filter – see section
−
Air filter inside the electronics compartment
Replacing Air Filter Element in Electronics
Compartment Ventilation System
´
Every 5000 hours
of device service or once a year – ink contained in the ink system needs
replacing due to its natural degradation. The operation should be done by a qualified person or
serviceman. The examples given below can be seen as evidence that the ink has lost its
properties and is no longer suitable for service:
•
A poor quality overprint is produced although all possible adjustments have been made in
relation to the operation of the head. You can observe specific symptoms, such as the
precipitation of ink drops out of the overprint, distortion of linearity in the horizontal direction or
distortion of characters, especially in the upper part of the overprint. You can also face
periodical or frequent phasing errors, quick fluctuations of ink viscosity in a wide range of
values, the clogging of the main ink filter and the ink filter inside the gun.
•
Old ink must have been added to the ink system or because the ink lost its properties due to
improper storage or similar reasons.
•
Foreign matter (such as water, oil, solvents, dust or fine particles) has gotten inside the ink
system and may change physical and chemical properties of the ink. The substances can get
through the sucking duct inside the head.
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