Canon NP2120 Service Manual page 51

E. Basic Sequence
Period
Between when the power is
WMUP
switched ON and when the is heated.
(warm-up)
fixing roller is heated lo 165'0
WMUPR Between when the fixing roller
(warm-up
rotation)
338°F (150°C/3020F).
INTR (initial B e t w e e n w h e n t h e C O P Y S t a b i l i z e s t h e d r u m
rotation) START key is pressed and sensitivityinpreparationfor
when the scanner starts to copyoperation.
AER (AE Between when the scanner is
measurement) moved forward about 70 mm/
2.8 in from the document scanner about 70 mm/2.8
leading edge and when it is
returned to the home position.
SCFW (scanner While the scanner is moving The scanning lamp illumi- The registration signa1 is
forward) forward.
varies according to the cas
ratio.
varies according to the
reproduction ratio.
Note: Values in parentheses indicate the temperature when the CT unit is in use
Figure 3-10
Waits until the fixing roller The warm-up time varies
Stabilizes the fixing roller
temperature.
Measuresthedensityofthe Theoperationappliestothe
document by moving the
thereflectedlightisdirected
onto the photosensitive
drum by way of mirrors and
C A N O N NPZlZO/ZMO R N . 0 MAY 1990 PAINTIO I N J A P A N IIMPAIME A,, JAPON,
O P E R A T I O N S A N D T I M I N G N
N o t e : V a l u e in p a r e n t h e s e s indicatetemperature
w h e n C T unit is in " s e .
Description
depending on the fixing
roller temperature.
the AE mode only.
the document, and generatedtomovethecopy
paper to the transfer unit.
Remarks