Specifications

AL-1551 OPERATIONAL DESCRIPTIONS 7-8
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 microswitch
(process detection switch) installed to the machine sensor cover,
making a judgement as a new drum.
2) When the detection gear 38T turns one rotation, there is no gear any
more and it stops.
The latch section of the 38T gear is latched and fixed with the
projection of the process cover.
7. SPF section
A. Outline
The SPF (Single Path Feeder) is installed to the AL-1451 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
Gear 20T
Process detection switch
Gear 38T
(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
(11) Paper exit follower roller (12) Document tray
Gear notch
Gear pawl
Projection
Gear notch
Gear pawl
Projection
(2)
(1)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)