SATO CG412 Guida Utente

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Section 5: Cleaning and Maintenance
Page 5-6
CG4 Series Operator Manual
5.4 EASY REPLACEMENT OF PARTS (cont’d)
7.
Insert the left shaft of the new print head assembly into 
the hole on the left side of printer. (see circled area).
8.
Align the two circular recess of the print head bracket to 
the two springs attached to the top cover frame. At the 
same time, fix the fulcrum shaft of the print head bracket 
to the hooks. While pressing the print head, slide the print 
head release lever
 to lock the print head assembly in 
place.
9.
Restore power, reload media and ribbon, reset the head 
counter and perform a test print to ensure that the print 
head
 is connected properly.
5.4.2 Releasing/ Replacing the Platen roller 
1.
Make sure the printer is powered off and remove the power 
cable.
2.
Lift the Top Cover.
3.
Locate the two platen bearings on each side of the platen 
roller
, and turn the handles in the direction as shown.
4.
Lift up the defective platen roller assembly with the 
handles and replace it with a new one. 
5.
Follow the above steps, in reverse sequence, to 
reassemble the parts. Make sure that the platen bearing 
snaps back in position.
Perform a label feed to ensure the platen roller is 
assembled correctly.
Fulcrum shaft
Circular 
recess
Hooks