Canon SADDLE FINISHER K3 Service Manual page 325

CHAPTER 5 TROUBLESHOOTING
• If the curl is more appreciable than be-
fore turning over the paper, turn over
the paper, and select 'downward curl pa-
per mode'.
• If the curl is less appreciable but a
stacking fault as shown in F05-101-33
still occurs, select 'downward curl paper
mode'.
c. Selecting Downward Curl Mode
1) Turn off the copier.
2) Remove the PCB cover (1 screw), and
shift bit 6 of SW972 of the circuit to
ON. (F05-101-34)
3) Mount the PCB cover (1 screw), and
turn on the copier.
ON
1 2 3
The bits other than bit 6 must be set ac-
cording to the mode and model in question.
F05-101-34
d. Operating in Downward Curl Paper
Mode
[1] Retracting the Tray Auxiliary Plate
If the mode is not selected, a stack is
delivered after retracting the tray auxil-
iary plate; when the mode is selected, a
stack is delivered as the tray auxiliary
plate is retracted.
[2] Detecting the Height of the Tray B
The remedial operation for the height is
not expected even when paper has been
added (by the user) to the tray B while
the holding tray is in operation.
[3] Operation of the Sub Tray
The sub tray is moved down while a
stack is delivered.
5-18
COPYRIGHT© 2001 CANON INC.
4 5 6 7 8
2000 2000 2000 2000
[4] Operation of the Paddle
The paddle is operated intermittently.
[5] Number of Alignment Operations
The alignment operation is expected
twice (excludes the last sheet of a
stack).
[6] Starting Alignment Operation
The alignment operation is started in
sync with the operation of the paddle.
[7] Moving Up the Tray on Delivery
If no Z-fold sheet exits, the tray is
moved up when the stack consists of 6
sheets instead of 11 sheets.
e. Conditions of Operation
If a stack of two sheets or more is
stacked, the foregoing operations will be as
follows:
Small-
size
paper
Opera- Applicable
tion [1]
Opera- Applicable
tion [2]
Opera- Applicable
tion [3]
Opera- Not appli-
tion [4] cable
Opera- Not appli-
tion [5] cable
Opera- Not appli-
tion [6] cable
Opera- Applicable
tion [7]
T05-101-05
CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001
Large-
size Z-fold
paper paper
Not appli- Not appli-
cable cable
Applicable Applicable
Not appli- Applicable
cable
Not appli- Applicable
cable
Not appli- Applicable
cable
Not appli- Applicable
cable
Not appli- Not appli-
cable cable