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Metro (Konica Head)
13. Maintenance
Print Head Maintenance
Print Head is an important and delicate part of the printer. Thus, it must be handled with care to ensure
the long life of the Print Heads. For Print Head maintenance, the following instructions should be taken
care:
•
Perform the nozzle test daily 2-3 times before printing to monitor the blockage in the head
nozzles.
•
Avoid head damage due to fabric and Print Head confliction.
•
Capping station should be cleaned.
•
Capping station should be wet to avoid Print Head dryness with solvent.
•
Colorbar should be ON.
•
Avoid ink spilling on the Print Head and head cables.
•
Head cleaning roller has to be kept dip into the clean RO-water tray and squeezed before cleaning.
Moreover, cleaning should be done only single time, i.e. it has to be cleaned and squeezed to
reuse next time.
•
Purging station area should be cleaned frequently.
•
Degassing pressure has to be monitored regularly and it should be in between -75 to -95KPa. In
case, degassing pressure is not maintained, then it may cause the nozzle blockage.
•
Humidifier has to be always in working condition, which keeps the head nozzles wet and open.
•
Carriage cover should always be fixed to protect electronics, after head maintenance.
•
Don’t use expiry ink and s
tore the ink at favorable environment
Precautions:
•
Don’t wipe Print Head nozzles
with tissue paper or any piece of cloth, as it damages Print Head
and nozzle plate.
•
Don’t
use wear out head cleaning roller and replace it, when required.
•
Color bar should always be enabled while printing.
•
Idle spray should always be enabled with 10000 value.
•
Avoid ink spilling on the Print Head and Head Cables.
•
Uneven or partly peeled off glue coating on belt may damage the Head Nozzle Plate.
•
Don’t
use wrinkled or non-ironed fabric roll, as wrinkle on fabric can cause accidents like
entangling of fabric with head base.
Belt Maintenance
Conveyor Belt is an important part of the printer, thus belt and it’s position should be monitored time to
time and always be running well inside the rollers.
Centering of Belt
This section explains how to control the movement of the Conveyor Belt as it must run in the center. If
the belt is shifting more than 5mm in 1 hour toward a side, then one should follow the below given
instructions:
