Sharp AR-F11 (serv.man8) Service Manual ▷ View online
8-4
CHAPTER 8 TROUBLESHOOTING
6) Measure the winding amount (shift) of the
stack of sheets, and compare this amount
with the standard amounts.
with the standard amounts.
• This amount should be measured at the cen-
ter of the paper leading edge.
Third sheet
First sheet
Second sheet
Paper delivery
direction
direction
First sheet and Second sheet:
0 ± 1mm
First sheet and Third sheet:
4mm or less
Second sheet and Third sheet:
4mm or less
Figure 8-109
7) If the amount is within the standard, turn
the host machine OFF, and then set all bits
of SW3 to OFF. If the amount is outside
the standard, perform the following.
of SW3 to OFF. If the amount is outside
the standard, perform the following.
8) Turn the host machine OFF, and set SW3
on the finisher controller PCB as indicated.
If EEPROM (Q2) on the finisher control-
ler PCB has been replaced, proceed to step
10).
If EEPROM (Q2) on the finisher control-
ler PCB has been replaced, proceed to step
10).
ON
1
2
3
4
5
6
7
8
Figure 8-110
9) Turn the host machine ON, and then press
SW2 on the finisher controller LCB.
• The current setting values are displayed at
LED1.
Adjustment value 0
Lights for 1 second
(once)
(once)
Adjustment value +N Blinks (lights for 0.2
second) for N times.
Adjustment value -N Lights for 1 second
(once), and blinks
(lights for 0.2 second)
for N times.
(lights for 0.2 second)
for N times.
The adjustment width is 0.72mm for each
N=1.
N=1.
Table 8-101
10) Turn the host machine OFF, and then set
SW3 on the finisher controller PCB as in-
dicated.
dicated.
ON
1
2
3
4
5
6
7
8
Figure 8-111
11) Press SW1 or SW2 on the finisher control-
ler PCB as necessary.
• Each press of SW1 increments the winding
amount in 0.72mm increments.
• Each press of SW2 decrements the wind-
ing amount in 0.72mm increments.
Third sheet
First sheet
Second sheet
Paper
delivery
direction
delivery
direction
Movement of
direction of
1st sheet by SW1
direction of
1st sheet by SW1
Movement of
direction of
1st sheet by SW2
direction of
1st sheet by SW2
Figure 8-112
12) Repeat steps 1) though 6) twice. Check that
the winding amount is within the standard
in both times.
in both times.
13) Turn the host machine OFF, and set all bits
of SW3 to OFF.
This completes the adjustment.
This completes the adjustment.
8-5
CHAPTER 8 TROUBLESHOOTING
B.
Electrical System (saddle
stitch unit)
stitch unit)
1.
Adjusting the Folding Position
The folding position is adjusted by chang-
ing the settings of bits 6 through 8 of DIPSW1
on the saddle stitch controller PCB to match the
stitching position (i.e., adjusting the distance over
which the paper positioning plate is moved to
the folding position from the stitching position.)
on the saddle stitch controller PCB to match the
stitching position (i.e., adjusting the distance over
which the paper positioning plate is moved to
the folding position from the stitching position.)
If you have replaced the saddle stitch con-
troller PCB, be sure to set the new DIPSW1 so
that the settings will be the same as those on the
old DIPSW1. If, for any reason, you must
change the following position, perform the fol-
lowing steps:
1) Remove the PCB cover, and set bits 1
that the settings will be the same as those on the
old DIPSW1. If, for any reason, you must
change the following position, perform the fol-
lowing steps:
1) Remove the PCB cover, and set bits 1
through 4 of DIPSW1 on the saddle stitch
controller PCB as indicated.
controller PCB as indicated.
ON
1
2
3
4
5
6
7
8
Do not change bits 5 through 8.
Figure 8-113
2) Remove the rear cover of the saddle stitch
unit, and tape the actuator of the inlet cover
open sensor (PI9S) and the inlet cover open
detection switch (MS1S) of the saddle stitch
unit in place.
open sensor (PI9S) and the inlet cover open
detection switch (MS1S) of the saddle stitch
unit in place.
3) Before inserting the paper, mark the top of
the paper (you will be using two sheets of
A3 or LD paper).
A3 or LD paper).
Mark
A3/LD paper
Insert direction
Figure 8-114
4) Press SW2 on the saddle stitch controller
PCB so that the feed motor (M1S) starts to
rotate. (Press SW2 three seconds or more if
LD paper is used).
rotate. (Press SW2 three seconds or more if
LD paper is used).
5) Open the inlet cover, and insert two sheets
of paper (push them in by hand until the
leading edge of the sheets butts against the
paper positioning plate).
leading edge of the sheets butts against the
paper positioning plate).
Sheets
Mark
Figure 8-115
6) Close the inlet door while holding it down
with your hand.
7) Press SW2 on the saddle stitch controller
PCB.
• The saddle stitch unit will “stitch” the
sheets, and fold and deliver the stack auto-
matically.
matically.
8-6
CHAPTER 8 TROUBLESHOOTING
8) Measure the distance (L) between the stitch-
ing position and the folding position. Then,
perform “positive width adjustment” or
“negative width adjustment” to suit the re-
lationship between the stitching position and
the folding position.
perform “positive width adjustment” or
“negative width adjustment” to suit the re-
lationship between the stitching position and
the folding position.
• If the stitching position is below the folding
position, perform “positive width adjust-
ment.”
ment.”
• If the stitching position is above the folding
position, perform “negative width adjust-
ment.”
ment.”
Mark
Mark
Folding position
Stitching position
Stitching position
Stitching position
Folding position
Folding position
Positive Width Adjustment
Negative Width Adjustment
Unit: mm
Example: If L is 1 mm, provide “+1 mm”.
Example: If L is 1 mm, provide “+1 mm”.
Unit: mm
Example: If L is 0.5 mm, provide “-0.5 mm”.
Example: If L is 0.5 mm, provide “-0.5 mm”.
Figure 8-116
9) Change the settings of bits 6 through 8 on
DIPSW1 referring to Table 7-102 below.
• If the width adjustment is “0”,
The stitching position and the folding posi-
tion match, requiring no change.
tion match, requiring no change.
• If for “positive width adjustment,”
Set DIPSW1 so that the difference result-
ing from subtraction of the interval from the
appropriate setting in Table 7-102 is pro-
vided.
For instance, if the DIPSW1 is currently set
to +2 and the interval is +1 mm, set
DIPSW1 to reflect -2.
ing from subtraction of the interval from the
appropriate setting in Table 7-102 is pro-
vided.
For instance, if the DIPSW1 is currently set
to +2 and the interval is +1 mm, set
DIPSW1 to reflect -2.
• If for “negative width adjustment”
Set DIPSW1 so that the sum resulting from
addition of the interval from the appropri-
ate setting is provided.
For instance, if the DIPSW1 is currently set
to -1 and the interval is +0.5 mm, set
DIPSW1 to reflect +1.
addition of the interval from the appropri-
ate setting is provided.
For instance, if the DIPSW1 is currently set
to -1 and the interval is +0.5 mm, set
DIPSW1 to reflect +1.
DIPSW1 bit settings
Settings
bit 6
bit 7
bit 8
(in units of 0.5 mm)
OFF
ON
ON
+3
OFF
ON
OFF
+2
OFF
OFF
ON
+1
OFF
OFF
OFF
0
ON
OFF
ON
−
1
ON
ON
OFF
−
2
ON
ON
ON
−
3
Do not touch the following:
bit 6
bit 7
bit 8
ON
OFF
OFF
Table 8-102
10) Set bits 1 through 4 on DIPSW1 to OFF.
2.
Stitching Position (adjusting center
stitching)
stitching)
Use the host machine adjustment mode to
perform the following:
8-7
CHAPTER 8 TROUBLESHOOTING
C.
Electrical System (puncher
unit (option))
unit (option))
1.
Sensor output adjustment
Perform this adjustment when the punch
driver PCB, transmission sensor (photosensor
PCB/LED PCB) or reflection sensor (scrap full
detection PCB unit) has been replaced.
1) Remove the rear cover of the finisher unit.
2) Set bits 1 through 6 of DIPSW3 on the fin-
PCB/LED PCB) or reflection sensor (scrap full
detection PCB unit) has been replaced.
1) Remove the rear cover of the finisher unit.
2) Set bits 1 through 6 of DIPSW3 on the fin-
isher controller PCB as indicated.
5
6
7
8
Figure 8-117
3) Press SW1 on the finisher controller PCB.
Pressing this switch automatically adjusts
sensor output.
sensor output.
4) Set all bits on DIPSW3 to OFF.
2.
Registering the number of punch
holes
holes
This operation registers which puncher unit
is attached to the IC on the punch driver PCB
so that the puncher unit can be identified by the
finisher. For this reason, this operation must be
performed when the punch driver PCB has been
replaced.
1) Remove the rear cover of the finisher unit.
2) Set bits 1 through 6 of DIPSW3 on the fin-
so that the puncher unit can be identified by the
finisher. For this reason, this operation must be
performed when the punch driver PCB has been
replaced.
1) Remove the rear cover of the finisher unit.
2) Set bits 1 through 6 of DIPSW3 on the fin-
isher controller PCB as indicated.
5
6
7
8
Figure 8-118
3) Set bits 7 and 8 on DIPSW3 on the finisher
controller PCB to match the number of
punch holes of the attached puncher unit
according to Table 7-103.
punch holes of the attached puncher unit
according to Table 7-103.
4) Press SW1 on the finisher controller PCB.
Press SW2 when setting a 2-/3-hole model
(AR-PN3A). Pressing this switch registers
the number of punch holes to the punch
driver PCB.
(AR-PN3A). Pressing this switch registers
the number of punch holes to the punch
driver PCB.
Number of
DIPSW3 bit
Push
Punch Holes
settings
switch
bit 7
bit 8
2-hole
OFF
OFF
SW1
(AR-PN3B)
2-/3-hole
OFF
OFF
SW2
(AR-PN3A)
4-hole
ON
OFF
SW1
(AR-PN3C)
4-hole
ON
ON
SW1
(AR-PN3D)
Table 8-103
5) Set all bits on DIPSW3 to OFF.
3.
Checking the sensitivity level of the
transmission sensor
transmission sensor
How dirty the transmission sensor
(photosensor PCB/LED PCB) can be checked
by the number of times that LED1 on the fin-
isher controller PCB lights. For this reason, how
dirty the transmission sensor is serves as a guide
for when to perform cleaning during periodic
maintenance.
1) Remove the rear cover of the finisher unit.
2) Set bits 1 through 6 of DIPSW3 on the fin-
by the number of times that LED1 on the fin-
isher controller PCB lights. For this reason, how
dirty the transmission sensor is serves as a guide
for when to perform cleaning during periodic
maintenance.
1) Remove the rear cover of the finisher unit.
2) Set bits 1 through 6 of DIPSW3 on the fin-
isher controller PCB as indicated.
5
6
7
8
Figure 8-119
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