– 14 –
6
NF
NF
7
2
6
4
3
10. Black Mark Detector Board Assembly
(1) Turn off the power switch and disconnect the power
cord from the wall outlet.
(2) Remove the printer mechanism according to the
procedure described in item 2.
(3) Remove
• Screw 1
• Black mark detector board assembly 2
• Three lead wires 3
Remove the three lead wires by using a soldering
iron. These leads are soldered to the black mark
detector board assembly 2.
Notes for reassembly:
When shipped, the black mark detector is mounted in
a position to detect the left edge of 76 mm paper and
black marks on the printing side of the paper, but it can
also be mounted in five other locations.
To detect 57.5 mm wide recording paper and black
marks in different positions, move the detector to the
corresponding position.
At position 4, the detector can detect the right edge of
76 mm wide paper and black marks on the reverse side
of the paper.
Place the board assembly 2 on the paper guide A
4 or the paper guide B 5 so that the boss 6 is
aligned with the board hole 7, and then tighten the
screw 1 .
There are two positioning holes to align to the boss.
They are the N and F holes. F is for position 4 only.
All others use hole N. (See the page below.)
(4) After reassembly, adjust the Black Mark Sensor
Alignment. (Refer to the chapter 1)
<Position 1 (Default)>
<Position 4>
Orange
Purple
Black
2
5
1
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