Section 5: Troubleshooting
Page 5-8
CW408 Operator Manual
5.2 TROUBLESHOOTING TABLE
TROUBLESHOOTING TABLE
IMAGE VOIDS
Dirty print head.
Clean print head.
Defective print head.
Replace print head.
Defective main circuit board.
Have SATO authorized service personnel replace main board.
Damaged or worn platen roller.
Replace platen roller.
Poor media quality.
Use higher quality media. Use only SATO-certified media.
LIGHT PRINT IMAGES
Low print head darkness.
Adjust darkness level setting.
Foreign material on print head.
Clean print head and platen roller.
Excessive print speed.
Reduce print speed setting.
UNEVEN PRINT DARKNESS
Damaged or worn platen roller.
Replace platen roller as required.
Dirty print head.
Clean print head as necessary.
MEANDERING MEDIA
Incorrectly loaded media.
Make sure that the media is loaded correctly.
Improperly adjusted media guides.
Adjust as required.
Damaged or worn platen roller.
Replace platen roller as required.
SMEARED PRINT IMAGES
Poor media quality.
Use higher quality media. Use only SATO-certified media.
Foreign material on print head and platen roller.
Clean print head and platen roller.
Foreign material on media.
Use higher quality media. Use only SATO-certified media.
Excessive print head energy.
Adjust darkness level setting.
Excessive print speed.
Adjust print speed as required.
NO MEDIA MOVEMENT
Incorrect media sensor selected.
Check printer configuration for proper sensor selection.
No voltage output.
Have SATO authorized service personnel to test power supply
and replace as required.
Drive motor not operating.
Have SATO authorized service personnel to check the wiring
harness connection. Replace as necessary.
INCORRECT MEDIA POSITIONING
Incorrect media sensor selection.
Make sure that the correct sensor is selected.
Improper sensor adjustment.
Adjust sensor sensitivity as required.
Data input error.
Make sure that the data stream is correct.
Incorrect offset settings.
Adjust offset settings as required.
Preliminary