Oki Pos 441 User Manual download pdf (Page 33)

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6-4-4. Black Mark Sensor Alignment Mode

1. Turn the printer off and unplug the power cord.

2. Place the printer upright as shown below to remove the screws and remove the dip switch

cover from the bottom of the printer. Be sure to place the printer upright because you will

not be able to properly adjust the printer if it is placed on its side.

3. Since it is adjusted by rotating the volume VR2, check the position of the volume. Prepare

a small slotted screwdriver that will ﬁt in the hole.

4. Set the roll paper not for black mark.

5. Enter the black mark sensor adjustment mode according to the procedure described Section

6-4.

6. Rotate the volume VR2 using micro screwdriver, to adjust it to a position whereat both the

ERROR (red LED) and the POWER (green LED) lamps light.

7. Turn the power OFF.

This completes the black mark sensor adjustment.

Power OFF

VR2

VR1

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Oki Pos 441 User Manual Page 33