Ricoh A151, Field Service Manual

Page: 130 / 397

4.4 ENTRANCE SEAL REPLACEMENT
1. Remove the cleaning unit. (See Cleaning Unit Removal.)
2. Remove the used toner. (See Used Toner Collection.)
3. Clean the cleaning unit a vacuum cleaner.
4. Remove the two seals [A] and the entrance seal [B] together with the
strip of double-sided tape securing it to the lower casing [C].
5. Clean the lower casing with alcohol; make sure that no tape remains on
the casing surface.
6. Place a new strip of double-sided tape [D] on the lower casing surface.
The lower edge [E] of the tape must be flush with the edge [F] of the
projection as shown in the illustration.
7. Place the new entrance seal on the double-sided tape (the blue arrow
[G] should point up and be placed on the left side as shown). Extend the
seal so that both edges [H] align with the left and right edges [I] of the
tape.
NOTE: a) The lower edge [J] of the entrance seal must be aligned with
the edge [F] of the projection on the lower casing.
b) Make sure that there are no kinks in the upper edge [K] of the
entrance seal.
8. Place the two seals [A] on both sides of the entrance seal as shown.
[C]
[D]
[A]
[A]
[I]
[I]
[H]
[H]
[G]
[A]
[J]
[F]
[E]
[B]
[K]
less than 0.5mm
A151/A152 5-34 SM