Zebra 170 XiIII Plus. Removing and Installing Printhead Calibrating Head Resistance Print Quality Adjustments. Removing the printhead. Turn the power switch off and disconnect both the power cord and printer communications cable. Open Cover. Open Printhead Lever. Removing Printhead.
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*Make sure you are appropriately grounded using proper anti-static procedures.
cable (gray), then the right Printhead cable (white) from the
back of the Printhead.
2. Remove the Printhead.
Make sure to note the new Printhead resistance before installing in the printer. Resistance needs to be calibrated before test printing labels. See calibration instructions.
Carefully position the new Printhead under the Printhead mounting bracket and connect both Printhead cables into the appropriate ports.
Right Printhead Connector
Left Printhead connector
Position the alignment slots in the new Printhead with the alignment posts on the bottom of the mounting bracket. You should hear a “clicking sound” which signifies that the Printhead is securely in place. Tuck the Printhead cables behind the Printhead.
Clean the Printhead using an alcohol alignment posts on the bottom of the mounting bracket. You should hear a “clicking sound” which signifies that the Printhead is securely in place. Tuck the Printhead cables behind the Printhead.
swab, removing dirt or oil that may have
been deposited during installation.
Reinstall media and ribbon (if applicable). alignment posts on the bottom of the mounting bracket. You should hear a “clicking sound” which signifies that the Printhead is securely in place. Tuck the Printhead cables behind the Printhead.
If the print line is not parallel with the platen roller, check that the Printhead Assembly guides fit snug into the Printhead slots.
Printhead Resistance Calibration
Printhead Position Adjustment
Loosen the four top screws, found at the rear of the Printhead Assembly (do not remove).
If print is lighter toward one side of the label and Printhead has been correctly installed, perform the Printhead Position Adjustment.
1. black oval key increases the digit, while the left black oval key moves cursor. Adjust the two gold hex nuts found at the rear of the Printhead Assembly (as viewed from the rear of the Printer). Adjusting the gold hex nuts clockwise will move the Printhead toward the back. Making 1/8 turns will have a noticeable affect in the print.
2. Adjust the hex nut on the same side as the lighter print. Adjust in one direction, printing a test label after each adjustment. If print begins to darken, continue until desired darkness is achieved. If print becomes lighter, adjust the hex nut the opposite direction until maximum print darkness is reached.
Gold hex nut
Toggle Position Adjustment
Upper knurled nut
Wear Plate Adjustment
Perform this adjustment to help achieve even pressure.
Silver Adjustment Knob
Silver Adjustment Knob
Printhead Pressure Adjustment
Too much pressure applied to the toggles will shorten the life of the Printhead. Choose the lowest pressure that produces the desired print quality, which will maximize Printhead life.
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(*) Contents Subject to Change Without Notice. Doc. No. Z170XiIII-Instructions