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Rev. D Application Development Information 4-7
TM-P60 Technical Reference Guide
After an error occurs, more detailed information about the error can be obtained from the
ErrorLevel, ErrorStation, and ErrorString properties.
4.4.2.3 ESC/POS commands
When you use ESC/POS commands to control the printer, you can get the status by using
“status command” including Auto Status Back command (ASB.) Please refer to “ESC/POS
APG.”
4.5 NV memory
This printer has NV memory (Non-volatile). The data of NV memory remains after you turn off
the power. The NV memory is available in two ways.
1. NV Graphics
Please refer “NV Graphics Printing” (page 4-8) for details of the function.
2. User NV memory
There is free area in the NV memory that the user can use. You can use this free area for
notations, to write other character information, or for many other purposes. The data
remains after you turn off the power. Use ESC/POS commands to read and write this data.
The following are examples of purposes.
• Date of the printer for maintenance
• ID definition for developer or POS system
Note
When you use User NV memory area by using OPOS or APD, you have to use “Direct I/O method”
or “Control A font.” Please contact EPSON or your dealer for details.
Note the following when writing to and erasing NV memory.
❏ The following restrictions apply when performing NV memory operations (including data
writing and erasing).
•The paper FEED button must not be used to feed paper.
• The real-time command must not be executed.
OPOS_EPTR_OVERHEAT Head overheat error.
OPOS_EX_DEVBUSY Device busy error.
OPOS_EPTR_REC_CARTRIDGE_REMOVED Receipt cartridge is removed.
OPOS_EPTR_REC_CARTRIDGE_EMPTY Receipt cartridge is empty.
OPOS_EPTR_REC_HEAD_CLEANING Receipt head starts cleaning.