After each use, extract and neutralization liquid infusion peristaltic pump pressure plate must loosen, prevent infusion pump pipe has long been extrusion deformation and adhesion, affect the measurement precision and accuracy;
2. After each use, must be washed with anhydrous ethanol and fluid, extracted liquid transfusion pipe, prevent precipitation clogging pipeline and micro titration needles;
3. The infusion pump pipe in the middle, long after use, if discover the obvious deformation or adhesion, must be paid to the maintenance or replacement.Replacing pump pipe, remove the groove of the pump pipe from the peristaltic pump, change new pump pipe, the same back and with the relevant parts can be properly connected;
4. Replace the extracted liquid and neutralization liquid, should be used, under the solution bottle of bottle, and then put on the new solution to replace piping should be paid attention to the problem of pollution in the process of;
5. When carbon dioxide and water vapour cleaning agent after apparently color changed from pink to pale, should be replaced, and should not continue to use, otherwise it will affect the stability and liquid, until the accuracy of determination results;

Replace the printing ribbon:

Foil box, at the time of the printer factory to pack good, but after a period of use, need to replace the ribbon box.Can press the following steps to replace the ribbon box.

(1) well with warehouse.

(2) from the printer head gently remove the old foil box.Note: please lift the left end of the ribbon box, then lift the ribbon in a box right end, remove the foil box.

(3) change box new ribbon.First will foil box right end gently on the nose gear shaft to the right, left side slightly raised, don't put down.Then found the ribbon box right end to fall to the end, please hold the knob on the ribbon box with finger, clockwise rotate slightly, until the ribbon box right end fall down again after the ribbon box of left side.Please check whether the ribbon is straight, or ribbon is dew outside the foil box, can again turn knob on the foil box, until the ribbon into ribbon box and straighten.When there is no paper in the nose, easy replacement ribbon.

(4) push the ribbon warehouse into the reset, completed.

7. Replace the paper:

Pull (1) the paper storehouse, remove the paper scroll replacement of printing paper, and the paper scrolls inside the guide groove of pushing into the printer.Make sure paper scrolls have installation is firm, do not lose out.

(2) the paper cut into triangles, switch the instrument on, according to the SEL button (left), make the SEL light out, and then press the LF (right) key, turns head.Then the paper with the hand into the nose mouth, the following paper paper will slowly into the nose, until it emerged from the nose in front, should have a certain length.Press the LF or SEL key again, or turn off the power.

(3) the paper warehouse push reset.