4.Troubleshooting
ERROR lamp status (BV420T)
If the ERROR lamp lights/blinks, refer to the following information and take action.
When the ERROR lamp lights
A communication error has occurred. (Only when the RS-232C is used.)
The following error related to paper occurred.
- Media jamming has occurred.
- The media is not loaded correctly.
- The media sensors differing from the media to be used are selected.
- The black mark sensor is not correctly aligned to the black marks on the media.
- The size of the loaded media differs from that for the specified paper size.
- The media sensor level is not suitable for the actual media.
- The gap of the pre-printed label cannot be detected.
- Media jamming has occurred in the cutter unit.
- No media is left.
Printing or media feeding is attempted while the top cover is opened.
There is a problem in the print head.
The temperature of the print head has exceeded the upper limit.
An error has occurred during writing into the flash ROM.
An error has occurred during initialization of the flash ROM.
Saving has failed due to the flash ROM having insufficient blank space.
An improper command such as a print command has been received while the firmware is being upgraded in the
download mode.
When any abnormal operations as below are performed, a system error occurs.
- Command fetch from an odd address.
- Access to the word data from a place other than the boundary of the word data.
- Access to the long word data from a place other than the boundary of the long word data.
- Access to the area of 80000000H to FFFFFFFFH in the logic space in the user system mode.
- Undefined command placed in other than the delay slot has been decoded.
- Undefined command in the delay slot has been decoded.
- Command to rewrite the delay slot has been decoded.
The following error related to the ribbon occurred.
- The ribbon has ended.
- The ribbon is jammed.
- The ribbon broke.
- Ribbon is not attached.
When the ERROR lamp blinks
There are few ribbons left.
72 Troubleshooting