Gestetner B147 Service Manual page 1030

Tech Service Bulletin No. B147/B149 /B190 – 012 REISSUE
3. Hold the development unit. At the same time,
slowly pull out the tape horizontally.
4. Push in each development unit.
5. Lower the drum plate. Then tighten two screws
that hold the plate (the upper left one first, then
the lower right one).Return the transfer belt
release lever to its operational position (See
step no. 1).
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