Riso ComColor X1 series Technical Manual page 141

2. Top edge sensor 2 (reflecting type sensor)
Make following adjustment when the Tope edge sensor 2 is replaced.
<Adjustment Instructions>
1) Confirm that the BP unit is all the up to the printing position.
If not, activate test mode No.2405 to raise the BP unit to the upper limit position (printing position).
2) Activate test mode No.1495 to automatically adjust the sensor sensitivity.
When the test mode is activated, the PB motor and PB Fan goes ON and the Top edge sensor 2 activates
to make sensitivity self adjustment.
The sensitivity adjustment is made against the black color of the BP Transfer belt, so no paper is need for this
adjustment.
Top edge sensor 2 (reflective type sensor)
1)
If the BP unit is not all the way up
in the printing position, use test
mode No.2405 to raise the BP
unit.
Make sure that there is no paper
on the external paper feed tray.
2)
With the execution of test mode
No.1495, the BP belt rotates and
the BP Suction fan activates.
3)
The Top edge sensor 2 auto-
matically does the sensitivity
adjustment.
4)
The BP belt stops, BP suction
fan deactivates and ends the
adjustment.
Driven roller
BP suction fan
[ 6-31 ]
Registration Section
Drive roller
Transfer belt
ComColor Series (Revision 2.4)