Canon SADDLE FINISHER K3 Service Manual page 313

CHAPTER 5 TROUBLESHOOTING
3) Press the Start key.
• The machine starts to operate, and stops
as soon as paper wraps around the
buffer roller.
4) Open the front cover and the upper
cover, and measure the displacement
between the sheets of paper wrapping
around the buffer roller (between 1st
and 2nd sheets, between 2nd and 3rd
sheets).
• After taking measurements, remove the
stack of sheets.
5) Compare the degree of wrapping (dis-
placement) against the standards.
Degree of wrapping
(between 2nd and 3rd)
2 1 mm
3rd sheet
2nd sheet
1st sheet
F05-101-11
6) Turn off the power, and set SW973 on
the switch PCB as indicated:
ON
1 2 3 4 5 6 7 8
F05-101-12
The finisher may fail to op-
erate hereafter if the upper
cover is not closed.
5-6
COPYRIGHT© 2001 CANON INC.
Degree of wrapping
(between 1st and 2nd)
Displacement
= 2 1 mm
Direction of delivery
2000 2000 2000 2000
7) Press the switch (SW976) on the switch
PCB.
DSP971 (LED) indicates '1' or '2' (de-
gree of wrapping for 1st and 2nd
sheets), and then indicates the latest set-
ting.
8) Press SW975 (+) or SW974 (-) as many
times as necessary to adjust the degree
of wrapping between 1st and 2nd
sheets, thereby entering a new setting.
Each press on SW975 (+) or SW974
(-) changes the degree of wrapping
by about 1.74 mm.
Each press on SW975 (+) increases
the degree of wrapping.
Each press on SW974 (-) decreases
the degree of wrapping.
9) After entering the setting, press the
switch (SW976) so that the machine ac-
cepts the new setting.
DSP971 (LED) indicates '2' and '3' (be-
tween 2nd and 3rd sheets), and indi-
cates the latest setting.
10) Press SW975 (+) and SW974 (-) as
many times as necessary to adjust the
degree of wrapping between 2nd and
3rd sheets, thereby entering a new set-
ting.
Each press on SW975 (+) or SW974
(-) changes the degree of wrapping
by about 1.74 mm.
Each press on SW975 (+) increases
the degree of wrapping.
Each press on SW974 (-) decreases
the degree of wrapping.
11) After entering the new setting, press the
switch (SW976) so that the the machine
accepts the new setting.
DSP971 (LE) reads '0' to indicate the
end of operation.
CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001