Intermec EasyCoder 301 – Service Manual Ed. 3
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Chapter 7 Print Unit
Adjustment
• Open the electrics cover as described in chapter 2.3.
• Remove the CPU board as described in chapter 11.2.
• Loosen the four Posidrive screws that hold the stepper motor so
the motor can be moved back and forth.
• Press the stepper motor rearwards as far as it goes to tighten the
belt to the platen roller. Make sure that the motor will not
interfere with the CPU board.
• Tighten the screws completely.
• Check the tension of the long belt as illustrated above
1
. The belt
should flex up or down approximately 1 cm (.4") in either
direction. If not, loosen the two Posidrive screws that hold the
tension adjuster plate and move it up or down until a proper
tension is obtained.
• Fit back the CPU board and the electrics cover in reverse order.
7.4
Belts, cont'd.
WARNING!
Before removing the electrics
cover, turn off the printer and
disconnect the power cord. High volt-
age wires and circuits inside.
1
/. Not in the LinerLess model.