EM18-33017
5. TROUBLE SHOOTING
5-2
5. TROUBLESHOOTING
Problems
Blurred print
Ribbon wrinkle
Ribbon end error
Label feed failure
Communication error
Cause
1. Poor media quality.
2. Dust is on the media.
1. Poor ribbon quality
2. Ribbon is not rewound or fed
smoothly.
1. Poor ribbon quality
2. Improper voltage applied to the rib-
bon end sensor
3. Failure of the ribbon end sensor
4. Failure of the circuit which controls
the ribbon end sensor.
1. Paper is not set properly.
2. Paper of poor quality
3. Improper adjustment of the feed
gap sensor or black mark sensor.
4. The proper media sensor is not
selected.
5. Threshold is improper.
6. Failure of the feed gap sensor or
black mark sensor
7. Labels cannot be stripped off the
backing paper or the backing pa-
per with labels cannot be wound
properly.
8. The cutter mechanism is not in-
stalled properly.
9. Failure of the stepping motor
1. Failure of the communication cable
2. Failure of the RS-232C connecter
3. Failure of the communication connec-
tor
4. Failure of the PC or application
software
5. Failure of the CPU PC board
Solution
• Use only TOSHIBA TEC specified media.
• Clean the print head and remove
any dust from the media.
• Use only TOSHIBA TEC specified ribbon.
• Replace the ribbon rewind mo tor
or ribbon feed motor.
• Use only TOSHIBA TEC specified
ribbon.
• Refer to page 2-3 to adjust the
ribbon end sensor.
• Replace the ribbon end sensor.
• Replace the CPU PC board.
• Set the paper properly.
• Use paper approved by TOSHIBA TEC.
• Re-adjust the sensor.
• Select the media sensor by DIP
switch and adjust the sensitivity of
the sensor.
(Refer to page 6-40, 41)
• Set the threshold.
(Refer to Owner’s Manual.)
• Replace the feed gap sensor or
black mark sensor.
• Replace the strip feed motor or
CPU PC board.
• Install the cutter mechanism prop-
erly.
• Replace the stepping motor or
CPU PC board.
• Replace the cable.
• Replace the connector.
• Replace the connector.
• Modify the program.
• Replace IC51 (MC145407).
If the trouble is not solved, replace
the CPU PC board.