Diagnost. 5 - MUTOH SC-550 Maintenance Manual

5.3.3. Diagnost. 3
1) Actuator.
* Diagnost – 3 *
F3 XY-enc
* PEN TEST *
F3 Torque
Test (F3) Torque tests the moving coil and drive circuit.
Pressing F2/F4 makes the MC move UP/DOWN step by step and puts more/less force on the
head.
Test (F4) Encoder shows the readout of the penhead encoder. (Move the head manually
up/down).
2) XY-encoder test.
* Diagnost-3 *
F3 XY-enc
* XY Encoder *
X : 0000
0.00
Press EXIT
This test shows the readout of the X/Y encoders when manually moving the head or the
gridrollers.
3) XY-polarity test
* Diagnost-3 *
F3 XY-enc
* XY-Polarity *
X axis : OK
Y axis : Ok
Press EXIT
This test checks the drive circuit of X and Y motors. One current pulse is sent to the motors and
the direction of the movement is checked by the encoders.
Pen F2
XY-polar F4
Press F2
Encoder F4
Pen F2
XY-polar F4
Press F3
Y :0000
0.00
Pen F2
XY-polar F4
Press F4
Maintenance Manual – SC Cutting Plotter
39 AP-74030, Rev / B