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SATO M-5900RV Operator and Technical Reference ManualPage 3-6
Section 3. Adjustments and Maintenance
PN 9001081
Rev. C
3.4 Replacing the Print Head
The print head on the M-5900RV is a user-replaceable item. This section
explains how a defective print head can be easily removed and replaced.
Contact you local SATO representative for information on obtaining a new print
head.
NOTE: The print head contains a precision printing surface that must be
carefully protected from mechanical damage. Extreme care must be exercised
during handling and installing to prevent scratching, chipping, denting or
otherwise damaging the exposed substrate surface, particularly in the resistor
(printing element) area. A small clean piece of cardboard should be used to
protect the substrate during installation if there is a possibility of accidental
damage.
Supplies needed:
Small Flathead Screwdriver
Phillips Screwdriver
STEP PROCEDURE
1. Turn OFF the Power Switch
2. Raise the printer side door. Figs. Page 3-7
3. Leave the print head assembly closed initially.
4. Remove the green plastic lever guard marked "PUSH" by gently prying the
back edge with a small flat heat screwdriver. Figs. Page 3-7
5. Using the phillips screwdriver, remove only the middle set screw on top of
the print head and carefully set it aside. Figs. Page 3-7
6. Gently open the print head assembly by holding down on the front edge of
the print head assembly while pulling forward on the green plastic lever
guard marked "PULL".
The print head and tear bar will separate from the rest of the assembly.
Text Continued
on Page 3-8