MUTOH SC-650 - Page 28

Maintenance Manual – SC Cutting Plotter
28 AP-74030, Rev / B
PROBLEM SYMPTOM POSSIBLE CAUSE SUGGESTED ACTIONS
Plotter has shuffled media but
does not respond to data
- Plotter is OFF-line
- Interface cable not connected
or bad
- Wrong plotter driver
- Wrong interface parameters
- Bad interface port
- Put plotter in ON-line
- Check interface cable
- Check plotter driver
- Check interface parameters
- Check port or replace main
PC board
Plotter is responding to data, but
error messages appear on the
LED bar (See User’s guide)
- Wrong interface parameters
- Wrong cable configuration
- Check interface parameters
(See User’s Guide)
- Check interface cable
Plotter is cutting but quality is not
acceptable
- Blade worn or broken
- Blade is not turning smooth
- Offset is not correct
- Blade is too far out
- Cutting force is too high
- Cutting mat worn
- Wrong plotter driver
- Play on cutting head
- Drive belt tension not correct
- X or Y motor defective
- Replace blade
- Check or replace knife holder
- Perform offset procedure (See
User’s Guide)
- Adjust knife depth
- Reduce cutting force
- Replace cutting mat
- Select correct plotter driver
- Check or replace cutting head
- Check or adjust belt tensions
- Replace X or Y motor
Media tracking problems
Media skews during cutting or
loading..
- Media is not loaded straight in
the machine
- Grid rollers dirty
- Grid rollers or pressure rollers
worn
- Speed or acceleration too
high
- Pressure roller pressure not
correct
- Media backing is very slippery
(Teflon based)
- Load media as described in
the User’s Guide
- Clean grid rollers
- Replace grid rollers or
pressure rollers
- Decrease
o Cutting speed
o Pen/UP speed
o Cutting acceleration
o Pen/UP acceleration
- Adjust pressure roller
pressure
- Change media type or
decrease speed acceleration