Sharp MX-TMX1 Service Manual page 30

15. Slowly and carefully without paper lower the upper knife by turning crank [R].
Check that the upper knife does not contact the lower knife. In that case, back
up the upper knife and start over from step 3. If no contact proceed to the bot-
tom position.
Note: Look through the cut out in the side frames while turning crank.
16. Make 5 different booklets in the MX-BMX1 required for the adjustment. The
booklets should have 2, 15, 20, 25 and 30sheets A3 (11"x17") 80 gsm (20#
bond).
17. Place the 2 sheet booklet in cutting position.
Trim the set by turning crank [R].
Inspect the trim result. Check if the lowest sheet of the booklet is cut clean
throughout the length.
If good, trim and inspect the 15 sheet booklet the same way.
If good, trim and inspect the 20 sheet booklet the same way.
If the set is not correctly cut on one of the ends, loosen the five screws [I] & [H]
on the bad end and keep the one screw [I] tightened at the good end.
Turn screw [M] on the bad end 1/36 revolution or 10° clockwise (
18. Repeat from step 11 until trim result is perfect.
19. If not correctly cut in the middle, loosen the four screws [H] and keep the
screws [I] tightened.
Turn screw [M] in the middle 1/72 revolution or 5°clockwise (
Repeat from step 11.
Note: If the knife/knives has been damaged, they have to be replaced or re-
sharpened even if a correct result is obtained, due to shortened life time.
20. Tighten the lock nuts [L] without turning screws [M] (
21. Reverse removal procedure step 1-5.
Note: When the knives become dull it is possible to resharpen them.
The upper knife can be resharpened until it is 70 mm (2"3/4) wide at the short-
er end. Resharpen at a 25° angle.
The lower knife can be resharpened until it is 38 mm (1"½) wide.
Resharpen at a 1° angle.
TR-3-22
20 October 2010
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