Xii.3 Maintenance For Ink Supply System; Xii.3.1 Main Ink Tank System; Xii.3.2 Sub-Tank Tank System - GRAPHTEC SignJet JS310 Series User Manuals

XII.3 Maintenance for ink supply system
The ink supply system is a very important. Maintenance for ink supply system is also very important.
The ink supply system includes main ink tank system and Sub-tank system with filters to separate the ink
from the open air. So cleanness of environment is primary condition to place the printer.
XII.3.1 Main ink tank system:
Main ink tank system consists of main ink tanks, filters, liquid pumps and waste ink tanks.
Maintenance includes:
1. Clean the main ink tanks, especially air filters, monthly;
2. Clean or replace filters of ink and flush solution per half year;
3. Clean around the main ink tank system weekly;
XII.3.2 Sub-tank tank system:
Sub-tank system consists of Sub-tanks, safety tanks and trilateral valves. Ink drops get together on
the floaters in Sub-tanks and dry to shape small balls on the top of sensors, which will impact the
sensitivity of sensors. To clean the floater, do as follows:
1. Pump out ink from ink tubes by operating on clean control panel;
2. Unload the 4 Sub-tanks from the back of Print head unit;
3. Loosen and take out bolts from the cover boards of Sub-tanks and then take the cover boards
and floaters;
4. Clean the floaters and Sub-tanks with unwoven fabric and sponge soaked with flush solution.
Ensure the floater switch move smoothly and then dry floaters and Sub-tanks;
5. Reload floaters in Sub-tanks and assemble Sub-tanks on the back of Print head unit.
The safety tank also needs cleanness timely. The method is same as Sub-tank except for the 2 air
filters in addition.
The trilateral valves in the ink supply system are also very important and need cleanness with flush
solution timely when they are smeared by ink.
Warning:
Ink supply integration box should clean by authorized personnel only. Improper operation will
result in ink supply system troubles.
SignJet JS310 Series User's Manuals
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