Apple Macintosh - Keyboard, Mouse, and Printer Maintenance

306 Macintosh User's Handbook
Figure 9.3. PAPER ERROR switch
Use a soft brush to remove any dust and debris which
might be lodged within the mechani sm. Re asse mble the
printer .
The print head sho uld also be cleaned periodically. To
remove it, turn off the printer, and remove the large carrier
cover over the print mechanism. Locate the two metal retain-
ing tabs on either side of the print head near the platen . Figure
9.4 shows their position s. With yo ur thumb , pres s the tab s
outward to release the print head. Grasp the print head and
pull up with a firm, steady force. Press the roller s haft back to
allow clearance for the print surface. It should require about as
much force as it takes to remove a plug from a wall socket. Do
not force it or use any tool s. Excessive force may damage th e
print head.