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Unit 4: Printer Configuration
CT4i Series Operator Manual 4-5
4.3 DIP SWITCH SETTINGS (CONT’D)
Switches 1–3: Font/Graphic loading settings
Enables the loading of fonts and/or graphics into printer
memory for faster retrieval.
Switch 4: DT/TT Mode
Switches the printer between Direct Thermal (DT) or
Thermal Transfer (TT).
Switch 5: Head Check
Enables or Disables the printer function that checks the
print head for open circuits automatically. On detecting a
head error along any part of the print head, the ERROR
LED will be lit continuously. The printer will not allow any
further operation unless the following buttons are press, or
certain actions are taken.
1) Press the ONLINE and FEED buttons for five seconds.
The ONLINE LED lights for a brief moment, and then the
printer is taken OFFLINE. Restart the printer to continue
printing as per normal.
2) The printer can be set to another type of head checking, whereby the printer analyzes the print data
for the location of barcodes, and only checks the print head areas involved in printing those barcodes.
To switch to this mode, at the detection of head error, press the FEED button for five seconds. The new
head check mode takes effect. This limited-type of head check for barcode printing integrity only applies
to barcodes printed via the ESC+B, ESC+D, ESC_BD commands. The head check is not effective in
cases where barcodes are created as graphics.
DSW1 DSW2 DSW3 Mode
Off On On Load Font
Configuration Switch
ON
OFF
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DSW4 Mode
Off DT
On TT
Configuration Switch
ON
OFF
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DSW5 Mode
Off Disabled
On Enabled
Configuration Switch
ON
OFF
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