SATO S84 ex - Page 39

3 Troubleshooting
37
S84-ex/S86-ex Service Manual
Category
Symptom
Cause Remedy
Maintenance
Defective
print
One side of the
print is lighter
than the other
NO
Is the
data input
correct?
YES
Input
data again
NO
Is the
sensor level
correct?
Adjust the I-mark/
Gap sensor level
Deviation of the
print start
position (Vertical
direction)
Adjust the head
pressure balance
Replace the
platen roller
Clean the
print head
NO
Is the
print head
clean?
YES
NO
Is the
head pressure
balance OK?
YES
NO
Is the
platen roller
clean?
Clean the
platen roller
YES
Replace the
platen roller
YES
NO
Is the
timing belt
tension
OK?
YES
Adjust the timing
belt tension
Replace the
timing belt
Refer to Adjusting
the Head Pressure
Balance in the
operator manual
Refer to 5.3
Replacing the
Platen Roller,
Pressure Roller
and Feed Roller
Refer to Adjusting
the Media Sensors
in the operator
manual
Refer to 4.8
Adjusting the
Timing Belt
Tension (Gearbox)
Refer to 5.9
Replacing the
Timing Belt
Refer to 5.3
Replacing the
Platen Roller,
Pressure Roller
and Feed Roller