TEC B-450 SERIES, User Manual

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4-1
EO18-33003A 4. TROUBLE SHOOTING
4. TROUBLESHOOTING
• Replace the power cord or power
inlet.
• Replace the PS unit.
• Replace the power harness.
• Replace the CPU PC board.
• Replace the KEYLED PC board.
• Replace the KEYLED harness.
• Replace the CPU PC board.
• Use the paper approved by
TOSHIBA TEC.
• Clean the print head.
• Fasten the head lever completely.
• Re-adjust the print head.
• Replace the print head.
• Connect the harness completely,
or replace the harness.
• Replace the CPU PC board.
• Check the program.
• Replace the printer cable.
• Replace the HEAD CONTROL PC
Board.
• Replace the print head.
• Replace the print head harness.
• Replace the CPU PC board.
• Replace the HEAD CONTROL PC
Board.
• Use only TOSHIBA TEC specified
paper.
• Clean the print head and remove
the dust from the paper.
• Set the paper properly.
• Use the paper approved by
TOSHIBA TEC.
• Re-adjust the sensor.
• Replace the feed gap sensor or
black mark sensor.
• Replace the take-up motor or black
mark sensor.
• 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 the CPU PC board.
Power is not turned ON.
LED does not light.
Poor printing.
Printer does not print.
Dot missing.
Blurred print.
Label feed failure.
Communication error
4. TROUBLESHOOTING
Problems Cause Solution
1. Input voltage to the printer is not within
the rated voltage.
2. Output voltage from the printer is not
within the rated voltage.
3. CPU PC Board is not applied with
voltage.
4. Failure of CPU PC board.
1. Failure of the KEYLED PC board.
2. Failure of the KEYLED harness.
3. Failure of the CPU PC board.
1. The print paper is of poor quality.
2. Dirty print head.
3. The head lever fastens the print head
incompletely.
4. Alignment adjustment of the print head
is improper.
1. Print head failure.
2. Connection of the print head connec-
tor is incomplete, a bad contact, or
broken wires.
3. Failure of the CPU PC board.
4. Failure of the software.
5. Failure of the printer cable.
6. Failure of the HEAD CONTROL PC
board. (HS model)
1. Broken element of the print head.
2. Broken wires of the print head cable.
3. Failure of the CPU PC board.
4. Failure of the HEAD CONTROL PC
board. (HS model)
1. Poor quality of paper.
2. Dust is attached to the paper.
1. Paper is not set properly.
2. Paper of poor quality.
3. Improper adjustment of the feed gap
sensor or black mark sensor.
4. Failure of the feed gap sensor or
blackmark sensor.
5. Labels cannot be stripped off the back-
ing paper or the backing paper with
labels cannot be would properly.
6. The cutter mechanism is not installed
properly.
7. Failure of the stepping motor.
1. Failure of the communication cable.
2. Failure of the RS-232C connector.
3. Failure of the communication connec-
tor.
4. Failure of the PC or application soft-
ware.
5. Failure of the CPU PC board.