6-76  Removal and Replacement 
Magnetic Stripe Registration Sensor (Without Clear Card) 
Removal Procedure 
1.  Unplug the printer. 
2.  Remove the ribbon cartridge and cleaning roller. 
3.  Remove the 
Main Enclosure (p. 6-8). 
4.  Remove the 
Transport Assembly from the base (p. 6-29). 
5.  Remove the 
Magnetic Stripe Rocker Assembly (p. 6-80). 
6.  Push the sensor's cable connector through the opening in the chassis (from 
outside to inside). 
7.  Carefully push down on the sensor from above and remove it through the 
bottom of the chassis. Do not use sharp tools. 
 
Replacement Notes 
•  Make sure the sensor is oriented with the orange wire (emitter) toward the 
rear of the printer. 
•  Be careful not to damage the wires when pushing the sensor into position. 
•  Make sure the sensor is fully seated. 
•  Using the Diagnostics in chapter 5, calibrate the magnetic stripe head as 
described in Start Sentinel Position.