MUTOH SC-550 Maintenance Manual page 28

PROBLEM SYMPTOM
Plotter has shuffled media but
does not respond to data
Plotter is responding to data, but
error messages appear on the
LED bar (See User's guide)
Plotter is cutting but quality is not
acceptable
Media tracking problems
Media skews during cutting or
loading..
POSSIBLE CAUSE
- Plotter is OFF-line
- Interface cable not connected
or bad
- Wrong plotter driver
- Wrong interface parameters
- Bad interface port
- Wrong interface parameters
- Wrong cable configuration
- 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
-
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)
28
Maintenance Manual – SC Cutting Plotter
SUGGESTED ACTIONS
- Put plotter in ON-line
- Check interface cable
Check plotter driver
-
- Check interface parameters
- Check port or replace main
PC board
- Check interface parameters
(See User's Guide)
- Check interface cable
- 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
Load media as described in
-
the User's Guide
Clean grid rollers
-
- Replace grid rollers or
pressure rollers
Decrease
-
Cutting speed
o
Pen/UP speed
o
Cutting acceleration
o
Pen/UP acceleration
o
Adjust pressure roller
-
pressure
- Change media type or
decrease speed acceleration
AP-74030, Rev / B