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OTS80PB and OTS60PB OTS100AF, OTS80AF and OTS60AF
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9.6. Print quality and changing paper
The printer cover is removed by turning the two fasteners and pulling the panel off.
The printer ribbon may need to be moved on to improve print quality. To do this, remove the printer cover and turn the
right hand rotary winder in direction indicated on the ribbon case. To change the printer ribbon, simply press the ribbon
assembly where it says, “PUSH EJECT,” to remove the old ribbon and replace with a new one. The part is an Epson ERC-09,
Megger part number 25995-002.
Paper is fed into the housing with the lose paper facing the rear of the instrument. Ensure that the paper is neatly cut and
not curled up at the end.
Holding the end of the paper roll, insert the paper under the cross bar and into the printer slot as shown (blue arrows) in the
drawing opposite. Press the print feed key repeatedly until the paper is just visible feeding through the print mechanism.
Replace the printer front cover by first locating it at the base of the panel and secure it with the fasteners which are turned
to secure the panel in place. Finally press the paper feed button to advance the paper through the front cover paper slot.
9.7. Vessel and electrodes
The oil test vessel and electrodes require no maintenance other than
cleaning. Electrodes can be unscrewed and replaced with another
shape electrode. Electrodes should be examined regularly to ensure
no pitting has occurred and the electrodes renewed where pitting is
evident.
The instrument includes a built in electrode cleaning function which
can be activated from the tools menu. This function will perform 24
sequential breakdowns to remove deposits on electrode surfaces.
9.8. VCM100D/VCM80D
The VCM100D/VCM80D are not user serviceable items but may require periodic cleaning using a clean cloth dampened
with Isopropyl Alcohol (IPA).
9.9. Test vessel motorised stirrer
Megger’s motorised stirrer is integrated into a modified lid assembly and simply replaces the vessel lid. Power is connected
via a flush mounted rear insert and is disconnected as the stirrer assembly is lifted. This unit is not user serviceable.
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