SATO CL412E service manual Replacing the Print Head

Section 6. Replacement Procedures

6.7 Replacing the Print Head

If the print head becomes damaged, it can be easily removed and replaced. No critical adjustments are required. Before you replace the print head, check the head counter values by printing a test pattern (Refer to Section 2.4).

STEP PROCEDURE

1.Switch the printer OFF and disconnect the power cable.

2.Raise the top access door and open the front access door. Remove the ribbon and label stock if installed. Fig. 6-14

3.Close the Head Latch Lever to facilitate removal of the Print Head. Remove

(2) screws to detach the ribbon guide plate. Fig. 6-15

4.Remove center screw to detach print head. Fig. 6-16

5.Carefully open the head latch lever so that the print head will drop down. Fig. 6-17

6.Carefully disconnect the cables and remove the print head. Fig. 6-18

7.Install the print head by reconnecting the print head data cable and print head power cable to the print head. Position the print head so it aligns properly with the alignment pins and ribbon guide plate. Close the head latch lever and reinstall the center screw. Figs. 6-16 & 6-17

8.Reattach the ribbon guide plate. Fig. 6-15

Before you return the printer to normal service, you should perform the following procedures.

•Clear Counter Heads (Refer to Section 7.3).

•Confirm that head cables are connected and that they do not touch the head opening spring. Also confirm that you can open and close the head without restriction.

•Print test pattern (Refer to Section 2.4).

Page 6-14 SATO CL408e/CL412e Service Manual

PN 9001078 Rev. B