4. TROUBLESHOOTING
4. TROUBLESHOOTING
4. TROUBLESHOOTING
Problems |
| Cause |
Power does not | 1. | Input voltage to the printer is not |
turn ON. |
| within the rated voltage. |
| 2. | Output voltage from the printer is not |
|
| within the rated voltage. |
| 3. | No voltage to the MAIN PC board. |
| 4. | Failure of MAIN PC board. |
LED or LCD does | 1. | Failure of the panel PC board or |
not light. |
| operation panel |
| 2. | Failure of the operation panel |
|
| harness |
| 3. | Failure of the MAIN PC board |
Poor printing | 1. | Poor media quality. |
| 2. | Dirty print head |
| 3. | The print head block is not set |
|
| completely. |
Printer does not | 1. | Print head failure |
print. | 2. | Connection of the print head |
|
| connector is incomplete, a bad |
|
| contact, or broken elements. |
| 3. | Failure in rewinding/feeding of the |
|
| ribbon. |
| 4. | Failure of the MAIN PC board. |
| 5. | Failure of the software |
| 6. | Failure of the printer cable. |
Dot missing | 1. | Broken print head element |
| 2. | Broken print head cable wires |
| 3. | Failure of the MAIN PC board |
Blurred print | 1. | Poor media quality. |
| 2. | Dust is on the media. |
|
|
|
Ribbon wrinkle | 1. | Poor ribbon quality. |
| 2. | Ribbon is not rewound or fed |
|
| smoothly. |
Solution
Replace the power cable or power inlet.
Replace the PS unit.
Check if the power harness is connected to CN8 on the MAIN PC board correctly.
Replace the power harness or Power Supply Unit.
Replace the MAIN PC board. Replace the panel PC board or operation panel.
Replace the operation panel harness.
Replace the MAIN PC board. Use the media approved by
TOSHIBA TEC. Clean the print head. Close the print head block completely.
Replace the print head.
Connect the harness completely, or replace the harness.
Replace the ribbon rewind motor, ribbon feed motor or MAIN PC board. Replace the MAIN PC board.
Check the program. Replace the printer cable. Replace the print head. Replace the print head harness. Replace the MAIN PC board.
Use only TOSHIBA
Clean the print head and remove any dust from the media.
Use only TOSHIBA
Replace the ribbon rewind motor or ribbon feed motor.
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