Platen - Printronix P7000 Series Maintenance Manual

Chapter 5
Replacement Procedures

Platen

Removal
1. Prepare the printer for maintenance (page 230).
2. Remove the shuttle frame assembly (page 321).
3. Remove the paper ironer (page 302).
4. Remove the three 1/4 inch screws securing the paper ironer bracket
assembly and remove the assembly. (See page 350, items 4, 5, and 6.)
5. Remove the platen open belt (page 272).
6. Remove the platen pulley (page 350, item 21), as follows:
a. Loosen the 7/64 inch collar clamp screw.
b. Pull the platen pulley off the platen shaft.
7. Pull the spring link and white plastic bushing off the platen shaft and
remove the spring link, bushing, and spring. (See page 350, items 16, 17,
and 18.)
8. Remove the platen stop assembly by loosening the 7/64 inch clamp
screw and pulling the assembly off the platen shaft. (See page 350, item
15.)
9. Remove the right side platen support spring by repeating step 7 on the
right side of the platen.
10. Remove the Phillips #1 screw and washer securing the interlock switch
bracket from the inside of the right side bracket. (See page 350, items 9
and 10.)
11. Pull the bracket, with the interlock switch assembly attached, off the
platen shaft.
12. Remove the two 7/32 inch screws and washers securing the right ribbon
guide assembly to the side plate. (See page 354, items 7, 8, and 9.)
13. Slide the ribbon guide assembly out of the side plate.
14. Pull the right side of the platen toward the front of the printer and move
the platen to the right and out of the left side plate. (Hold the black metal
washer on the left side of the shaft as you remove the platen. Make sure
the wear saddles in the platen seat of the mechanism base stay in place.)
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