Ricoh Aficio FT4027, Service Manual

Page: 250 / 685

6.6 SIDE-TO-SIDE REGISTRATION (DF POSITIONING)
ADJUSTMENT
Note:
•
First, adjust the DF side-to-side registration using the copier SP mode for this
(see Replacement and Adjustment - Side-to-side Registration Adjusment in
the copier manual).
•
Do the following adjustment only when the registration cannot be brought
within the specification (0
±
2 mm) using the above mentioned SP mode.
SPECIFICATION (Original position from the rear scale)
Thick (Normal) Paper
Original Mode
3.5
±
2 mm (3.5
±
3 mm for B6 lengthwise)
Thin Original Mode
3.5
±
2 mm
Two Sided Original Mode 3.5
±
3 mm
1. Place a sheet of A4/8
1/2
" x 11" sideways paper (64 g/m
2
, 17 lb) on the
original table and press the Print key.
2. After the original stops on the exposure glass, raise the DF carefully so that
the original does not move.
3. Check if the gap between the rear edge of the paper and the rear original
scale is within the specification listed above.
4. If it is out of specification, reposition the 2 screws [A] securing the DF hinge to
the long screw hole as shown.
5. Repeat steps 1 to 3.
6. Secure the DF unit at the position where the gap falls within specification.
7. Check the copy quality and adjust the ADF side-to-side registration with the
copier SP mode if it is not within the 0
±
2 mm specification (see
Replacement and Adjustment - Side-to-side Registration Adjusment in the
copier manual).
[A]
FSM 7-15 FT5535/4527/4522