REP 4.12 Thermal Head Assembly
Parts List on PL 4.3
Removal
CAUTION
Follow electrostatic discharge precautions
(Section 6). Static electricity can damage this
component.
1. Remove power cord.
2. Remove document catch tray assembly
(REP 1.1).
3. Remove RH cover (REP 1.2).
4. Remove coupler cover (REP 1.3).
5. Remove LH cover (REP 1.4).
6. Remove recording paper.
7. Remove lower paper guide assembly (REP
4.5).
8. Remove printer motor cover (REP 4.6).
9. Remove upper printer assembly (REP 4.7).
10. Remove cutter (REP 4.9).
11. Remove printer output drive roller (REP
4.10).
12. Remove pressure roller assembly (REP
4.11).
13. Remove thermal head assembly. (Figure
1)
a.
Remove the two printer output drive
bearings.
b.
Rotate thermal head assembly
forward and slide off studs on RH and
LH frames.
c.
Disconnect J301 and J302 at thermal
head assembly.
Replacement
1. Ensure the three thermal head springs
are properly seated in the positioning
holes in the base frame and on the
locating points on the underside of the
thermal head assembly.
2. Reinstall in reverse order.
12/88
REP 4.12
4-32
Telecopier 7017 / 7017SF
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