Dot Substitution - Epson TM-C7500 Series Technical Reference Manual

Dot substitution

The dot substitution is a function that performs complementary printing using the nearby nozzles
when nozzles are clogged.
The maximum number of clogged nozzles that can be automatically supplemented is 16. However,
supplementation cannot be performed adequately in the case of clogging of an adjacent nozzle.
Note that in the case of more than 16 clogged nozzles, supplementation for 16 nozzles will be
implemented. After that, printing can continue.
This function does not become enabled even when setting the dot substitution to enable if the Nozzle
Verification Technology is disabled.
 This function does not completely remedy falls in print quality, barcode quality and so forth.
 This system carries out supplementation according to nozzle dropout information known at
Settings
It can be set from the setting menu of this product and PrinterSetting.
The factory setting is "On".
See "Setting panel switch" on page 82
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the start of printing, and therefore is not able to supplement nozzle dropout that occurs
during printing.
or "PrinterSetting" on page 89