M7 series thermal printer service manua – AMT Datasouth M7plus User Manual
Page 14
M7
SERIES
Thermal Printer Service Manua
l
44
44
Small label printing
position is incorrect.
* Media sensor sensitivity is not set
properly.
* Label size is incorrect.
* The parameter Shift Y in the LCD menu
is incorrect.
* The vertical offset setting in the driver is
incorrect.
* Calibrate the sensor sensitivity again.
* Set the correct label size and gap size.
* Press [MENU]
[SELECT] x3
[DOWN] x6
[SELECT] to fine-tune the parameter of Shift Y.
* If using the software BarTender, adjust the
vertical offset in the driver.
The left side printout
position is incorrect.
* Wrong label size setup.
* The parameter Shift X in LCD menu is
incorrect.
* Set the correct label size.
* Press [MENU]
[SELECT] x 3
[DOWN]
x 5
[SELECT] to fine tune the parameter of
Shift X.
Missing printing on
the left or right side of
label.
* Wrong label size setup.
* Set the correct label size.
RTC time is incorrect
when reboot the
printer.
* The battery has run down.
* Check if there is a battery on the main board.
Multi interface board
doesn’t work.
* The installation is incorrect.
* Check if the board is plugged in the right
connector.
Power and Error
LED’s are blinking
fast.
* Power switch OFF and ON too fast.
* Turn off the printer and wait all LED’s are dark,
and turn on the printer again.
Wrinkle Problem
* Printhead pressure is incorrect.
* Ribbon installation is incorrect.
* Media installation is incorrect.
* Print density is incorrect.
* Media feeding is incorrect.
* Refer to chapter 5.2.
* Adjust the suitable density to have acceptable
print quality.
* Make sure the label guide touch the edge of the
media guide.
Gray line on the blank
label
* The printhead is dirty.
* The platen roller is dirty.
* Clean the printhead.
* Clean the platen roller.
Irregular printing
* Turn off and on the printer to skip the dump
mode.
* The printer is in Hex Dump mode.
* The RS-232 setting is incorrect.
* Re-set the Rs-232 setting.