Ricoh BR-C1a Basic Service Training page 342

Main Scan Registration - 1
Slide 342
 The registration gate roller is part of the LE shift unit, so the nip does not open
during main scan registration.
 After skew correction at the
gate roller, the paper is fed to
the LE (Leading Edge) shift unit.
 In the LE shift unit [A], a CIS [B]
CIS reads the position of the
front edge of the paper.
 The LE shift unit moves the
paper to the front or back, for
main scan registration, to
match the position of the paper
with the position of the image
on the ITB.
 At this time, the paper is held
only by the LE shift unit. The
paper is still free because the
nip of the registration timing
roller is open.
 If paper longer than A4 SEF
(297 mm) has been fed, the TE
(trailing edge) shift unit [C]
moves at the same time as the
LE shift unit.
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BR-C1 Training