SATO CG412DT Service Manual page 107

7.9 I-MARK/GAP SENSOR REPLACEMENT (cont'd)
8.
Remove the Upper Gap sensor board as indicated and
disconnect the attached cable connector . Replace the new
Upper Gap sensor board .
9.
Remove the screw (circled) securing the I-Mark/Gap
sensor board assy to the left Media guide .
10.
From the underside of the I-Mark/Gap sensor board assy ,
remove the screw (circled) securing the sensor cover to
the I-Mark/Gap sensor board.
11.
Disconnect the cable connector and replace the new I-
Mark/Gap sensor board and follow the above steps in
reverse sequence, to reassemble the parts.
Notes:
• When fixing the Media guides back to printer, place the
Media guides separately on both sides with the maxi-
mum width. Then insert the shaft back in position, place
the Media guide gear interlock with the guides and fix
them in position with the washer faced screw .
• Ensure that there is no gap in between the media
guides when the media guides are adjusted to mini-
mum as shown.
12.
After replacement, perform I-Mark/Gap sensor adjustment.
Refer to Section 4.13 Factory Adjustment Mode .
CG4 Series Service Manual
Section 7: Replacement Procedures
I-Mark/Gap sensor
board assy
No gap
Page 7-13