Flora Digital Printing System
Model LJ320P
Copyright 2011@ Shenzhen Runtianzhi Image Technology Co.,Ltd. By Victor Xu
~63~
Chapter 7 Service and Maintenance Manual of Flora LJ3208P
7.1 Brief Introduction
This is to describe the various service and maintenance procedure to be observed in using this
LJ3208P machine. Every operator must read this chapter carefully.
Maintenance Frequency
- Clean Raster Strip Daily
- Replace Ink Filter once every 3 months~6 months
- Lubrication twice a month
- Circuit inspection once a month
7.2 Maintenance of print heads
7.2.1 Flushing Print head
z Set the Ink Tank valve to flush position.
z Press Flush Button Switch on the Control Panel. The ink will go out from the
print head nozzles.
z Wipe the print heads with a lint-free cloth to removed excess ink residue near
the nozzles.
z Continue flushing out until all the print head nozzles are showing straight
jetting of flushing solution.
7.2.2 Prime Print head
z After performing a flush procedure, set the Ink Tank Valve to Ink Prime
Position
z Press Ink Prime Button Switch on the Control Panel. The ink will go out from
the print head nozzles.
z Turn the right ink tank valve to flush position, prime until there is no air bubble
in the ink tube. Then turn it to ink position.
z Wipe the print heads with a lint-free cloth to removed excess ink residue near
the nozzles.
7.2.3 Replacing Print head
z Turn-off the printer power.
z Perform the flushing procedure on the print head that needs to be replaced.
z Remove the 30pins print head flexible flat data cable.
z Remove the Print head Connector board gently.
z Remove the two print head fixation screws.
z Remove the input tubes from the print head’s ink supply.
z Safe keep the old print head.
z Install the new print head in the carriage accordingly.
z Replace the two fixation screws of the print head.
z Connect the Ink supply tubing to the new print head’s accordingly.
z Install the Print head Connector board on the print head.
z Install the 30pins print head flexible data cable, take note of the correct cable