Oki Pos 441 - Manual (Page 33)

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6-4-4. Black Mark Sensor Alignment Mode
. Turn the printer off and unplug the power cord.
. 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.
. Since it is adjusted by rotating the volume VR, 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 VR using micro screwdriver, to adjust it to a position whereat both the
ERROR (red LED) and the POWER (green LED) lamps light.
. Turn the power OFF.
This completes the black mark sensor adjustment.
8
1
Power OFF
VR
2
VR
1