TSC TTP-2410M, TTP-2346M, TTP-246M Plus, TTP-344M Plus, TTP-2644M Service Manual

TTP-2410M/346M/644M
TTP-246M Plus/344M Plus

Bar Code Printer Service Manual

38

38

4.2 Mechanism Fine Adjustment to Avoid Ribbon Wrinkles

This printer has been fully tested before delivery. There should be no ribbon wrinkle

presented on the media for general-purpose printing application. Ribbon wrinkle is related to

the media thickness, print head pressure balance, ribbon film characteristics, print darkness

setting…etc. In case the ribbon wrinkle happens, please follow the instructions below to

adjust the printer parts.

Adjustable

Printer

Parts

Symptom

1. Wrinkle happens from label lower left to

upper right direction ("Ԩ")

2. Wrinkle happens from label lower right

to upper left direction ("Ԫ")

Wrinkle

Example

Feed direction

Ribbon guide plate

Print head pressure
adjustment knob

Z-axis mechanism
adjustment knob

TTP-2410M/346M/644M
TTP-246M Plus/344M Plus

Bar Code Printer Service Manual

39

39

Adjust the print head pressure adjustment knob

The print head pressure adjustment knob has 5
levels of settings. Clockwise direction adjustment
is to increase the print head pressure. Counter
Clockwise adjustment can decrease the print
head pressure.
If the wrinkle on the label starts from the lower left
side to upper right side, please do following
adjustment.

1. Decrease the right side print head pressure
adjustment knob setting 1 level per each
adjustment then print the label again to check if
wrinkle is gone.

2. If the right side print head adjustment knob
setting has been set to index 1 (the lowest
pressure index), please increase the left side
print head pressure.

3. If the left side print head adjustment knob
setting has been set to 5 (the highest pressure
index) the wrinkle can’t be avoid, please rotate
the both knobs back to setting 1 then rotate the
Z-axis mechanism adjustment knob clockwise
for a few degrees and print again for fine tune
the print head pressure distribution.

Note for step 3:

*Factory default setting, the Z-axis knob is rotated

counter clockwise to the end of thread.

*Turn the Z-axis mechanism adjustment knob

clockwise until you feel the knob touch the
mechanism for the first adjustment.

* If the wrinkle is still there, please turn the Z-axis

mechanism adjustment knob clockwise about
1/4 circle each time for adjustment

* If the winkled direction is change from "Ԩ" to "

Ԫ" by adjusting the Z-axis mechanism

adjustment knob, please turn the Z axis
mechanism adjustment knob counter clockwise
to avoid the wrinkle.

Adjust the print head pressure adjustment knob

The print head pressure adjustment knob has 5
levels of settings. Clockwise direction adjustment
is to increase the print head pressure. Counter
Clockwise adjustment can decrease the print
head pressure.
If the wrinkle on the label starts from the lower
right side to upper left side, please do following
adjustment.

1. Decrease the left side print head pressure
adjustment knob setting 1 level per each
adjustment then print the label again to check if
wrinkle is gone.

2. If the left side print head adjustment knob level
has been set to index 1 (the lowest index),
please increase the right side print head
pressure.

Right knob

Left knob

Right knob

Left knob

Z axis mechanism
adjustment knob