Print Head Removal, Replacement and Alignment. Page 2 CONFIDENTIAL Print Head Assembly Removal Turn off printer A.C. power Unplug the printer from the. - презентация

1 Print Head Removal, Replacement and Alignment

2 Page 2 CONFIDENTIAL Print Head Assembly Removal Turn off printer A.C. power Unplug the printer from the A.C. Power Open the print head assembly and remove the ribbon

3 Page 3 CONFIDENTIAL Print Head Assembly Removal Loosen the T-10 retaining screw on the front side of the print head assembly Remove the print head adjustment phillips screw, washer and spring Adjustment Screw Retaining Screw

4 Page 4 CONFIDENTIAL Remove the print head assembly shaft Unplug the print head cable and ground Remove the print head assembly. Print Head Assembly Removal

5 Page 5 CONFIDENTIAL Insert the new print head assembly (Use Extreme Caution to Prevent ESD Damage to the Print Head) Connect the print head cable and ground Re-insert the print head shaft Align the shaft to allow the print head adjustment screw, spring and washer to be re-inserted New print head resister value – Before you print !R XXXX in the command line of the driver Print Head Assembly Replacement

6 Page 6 CONFIDENTIAL Turn adjustment screw A clockwise until the metal Tab B just makes contact with the black plastic support. Print Head Assembly Alignment B A

7 Page 7 CONFIDENTIAL B A Turn adjustment screw A counter-clockwise four and one half turns. The metal Tab B will move away from the the black plastic support. Print Head Assembly Alignment

8 Page 8 CONFIDENTIAL Print Head Assembly Replacement C Tighten the Torx retainer screw Verify that print head resistance has been changed Print a color test card IM Check print quality and adjust if needed

9 Page 9 CONFIDENTIAL Be sure the head settings are at 5 and color settings at 0 AND the print head resistance has been correctly entered before you attempt the following adjustment 1-Remove the ribbon and have a 30mil card in the feeder 2-Re-latch the Print Head assembly 3-Send the MI command 4-Send the MM 150 command 5-Send the !D command 6-Loosen the 2 screws holding the peel bar Print Head Peel Bar Adjustment (continued on next slide)

10 Page 10 CONFIDENTIAL 7-Hold the peel bar so it sits EVENLY across the card 8-Gently tight the 2 screws 9-Send the !M command 10-Send the MO command 11-Put the ribbon back and print a color test card IM 12-If OK adjustment is done In not repeat adjustment Peel bar Adjustment (continued)