Process Unit New Drum Detection Mechanism; Rspf Section; A. Outline; B. Document Transport Path And Basic Composition - Sharp AL-1661CS Service Manual

(3) Conditions of occurrence of paper misfeed
a. When the power is turned on:
PPD or POD is ON when the power is turned on.
b. Copy operation
a PPD1 jam PPD1 does not turn off within 4 sec after turning
on the resist roller.
b PPD2 jam PPD2 is off immediately after turning on the
resist roller.
PPD2 does not turn off within 1.2 sec after
turning off the resist roller.
c POD jam POD does not turn on within 2.9 sec after turning
on the resist roller.
POD does not turn off within 1.5 sec - 2.7 sec
after turning off PPD2.
6. Process unit new drum detection
mechanism
1) When the power is turned on, the detection gear 38T is rotated in
the arrow direction by the detection gear 20T to push the micro-
switch (process detection switch) installed to the machine sensor
cover, making a judgement as a new drum.
Gear 20T
Gear 38T
Process detection switch
2) When the detection gear 38T turns one rotation, there is no gear

7. RSPF section

A. Outline

The RSPF (Reverse Single Path Feeder) is installed to the AL-1661CS
as a standard provision, and it automatically copies up to 30 sheets of
documents of a same size. (Only one set of copies)

B. Document transport path and basic composition

11 Paper exit follower roller 12 Document tray
13 Switch gate
AL-1661CS OPERATIONAL DESCRIPTIONS 7 - 7
any more and it stops.
The latch section of the 38T gear is latched and fixed with the
projection of the process cover.
Gear notch
Gear pawl
Gear notch
Gear pawl
12
1 Pickup roller 2 Sheet of document for paper feed
3 Set detection ACT 4 Paper stopper
5 Document feed roller 6 Separation sheet
7 Paper entry sensor 8 PS roller D
9 Transport follower roller 10 Paper exit roller
Projection
Projection
5 6 7
3 1 4
13 10 11 2 8 9