Sharp MX-BMX1 (serv.man3) Service Manual ▷ View online
BF-4-7
Trouble-
shooting
20 October 2010
FAULT CODE DESCRIPTION
SF-013
Fault code SF-013, indicates that the Roller motor (SF-M4) do not receive any displacement pulses.
Initial Actions
Initial Actions
Check Fuse F2 on the Book Folder Transformer.
Enter the Service mode and select Roller motor (SF-M4) in check motors.
Make sure that the Roller motor sensor (SF-Q8) is installed correctly.
Procedure
Disconnect the sensor plug Q8 to motor SF-M4. Measure between the yellow wire Q8 and the grey wire Q8 (5V and
ground).
The voltage is approximately 5 VDC?
Y
N
Disconnect plug D.P14 from PCB ”D”. Measure between the J14-15 and J14-13 (5V and ground).
The voltage is
approximately 5 VDC?
Y
N
Replace PCB ”D”.
Replace wire Harness.
Disconnect plug D.P14 from PCB ”D”. Check wires for Continuity / Short circuit from the white wire Q8 to D.P14-14, the grey
wire Q8 to D.P14-13, and the yellow wire Q8 to D.P14-15.
Is there Continuity and no Short circuit?
Y
N
Replace wire Harness.
1. Replace motor SF-M4.
2. Replace PCB ”D”.
SF-014
Fault code SF-014, indicates that the Infeed sensor (SF-Q5) is faulty.
Initial Actions
Initial Actions
Make sure that the sensor Is clean.
Make sure that the Infeed photo transistor sensor, and the Infeed LED sensor (SF-Q5) is
installed correctly.
Check fuse F3 on the Book folder Transformer.
Procedure
Disconnect plug D.P13 from PCB ”D”. Measure between J13-23 and J13-16 (5V and ground).
The voltage is approxima-
tely 5 VDC?
Y
N
Replace PCB ”D”.
Disconnect plug from Infeed LED sensor SF- Q5. Check wire for Continuity / Short circuit from black wire Q5 to D.P13-16,
the red wire Q5 to D.P13-23.
Is there continuity and no Short circuit?
Y
N
Replace wire Harness.
1. Replace Infeed LED sensor Q5.
2. Connect plug D.P13 to PCB ”D”. Disconnect plug from Infeed photo transistor sensor SF-Q5. Measure between black
wire Q5 and white wire Q5 (5V and ground).
The voltage is approximately 5 VDC?
Y
N
Disconnect plug J20. Measure between P20-2 and P20-3 (5V and ground) in the plug J20.
The voltage is
approximately 5 VDC?
Y
N
Disconnect plug D.P13 from PCB ”D”. Measure between J13-24 and J13-25 (5V and ground).
The
voltage is approximately 5 VDC?
Y
N
Replace PCB ”D”.
Replace wire Harness.
Replace wire Harness to Infeed photo transistor sensor Q5.
Replace Infeed photo transistor sensor Q5.
BF-4-8
20 October 2010
SF-016
Fault code SF-016, indicates that the Outfeed sensor (SF-Q7) is faulty.
Initial Actions
Initial Actions
Make sure that the sensor Is clean.
Make sure that the Outfeed photo transistor sensor, and the Outfeed LED sensor (SF-Q7)
is installed correctly.
Check fuse F3 on the Book folder Transformer.
Procedure
Disconnect plug D.P13 and D.P14 from PCB ”D”. Measure between J13-17 and J14-10 (5V and ground).
The voltage is
approximately 5 VDC?
Y
N
Replace PCB ”D”.
Disconnect plug from Outfeed LED sensor SF- Q7. Check wire for Continuity / Short circuit from black wire Q7 to D.P14-10,
the red wire Q7 to D.P13-17.
Is there continuity and no Short circuit?
Y
N
Replace wire Harness.
1. Replace Outfeed LED sensor Q7.
2. Connect plug D.P13 and D.P14 to PCB ”D”. Disconnect plug from Outfeed photo transistor sensor SF-Q7. Measure bet-
ween black wire Q7 and white wire Q7 (5V and ground).
The voltage is approximately 5 VDC?
Y
N
Disconnect plug D.P13 from PCB ”D”. Measure between J13-18 and J13-19 (5V and ground).
The
voltage is approximately 5 VDC?
Y
N
Replace PCB ”D”.
Replace wire Harness.
Replace Outfeed photo transistor sensor Q7.
FAULT CODE DESCRIPTION
SF-015
Fault code SF-015, indicates that the Clamp sensor (SF-Q6) is faulty.
Initial Actions
Initial Actions
Make sure that the Clamp sensor (SF-Q6) is installed correctly.
Make sure that the sensor is clean.
Make sure that the Feeding belts are moving smoothly by running Motor M1 according to
section 5, Service tables.
Check fuse F3 on the Book folder Transformer.
Procedure
Disconnect plug to Clamp sensor SF-Q6. measure between black wire Q6 and red wire Q6.
The voltage is approximately
5 VDC?
Y
N
Disconnect plug J20. Measure between P20-4 and P20-6 (5V and ground) on plug J20.
The voltage is
approximately 5 VDC?
Y
N
Disconnect plug D.P13 from PCB ”D”. Measure between J13-20 and J13-22.
The voltage is
approximately 5 VDC?
Y
N
Replace PCB ”D”.
Replace wire Harness.
Replace wire Harness to Clamp sensor Q6.
Replace Clamp sensor Q6.
BF-4-9
Trouble-
shooting
20 October 2010
FAULT CODE DESCRIPTION
Fault Code SF-150, indicates that the Unreg is low/high.
Procedure
Procedure
Measure the voltage across the rectifier capacitor.
The voltage is approximately >0V?
Y
N
Replace fuse F2.
Measure the voltage across the rectifier capacitor.
The voltage is approximately 36V?
Y
N
Check transformer tappings (
3.7.1 ).
Go to SF-152 fault code.
SF-152
Fault code SF-152, indicates that one of the interlock switches in the Book folder is faulty.
Initial Actions
Initial Actions
Power OFF the Booklet Maker and make sure the Book Folder is powered off.
Check Fuse F2 on the Book Folder Transformer.
Check that the Transformer is tapped to the correct voltage according to (
3.7.1 ).
Procedure
Measure the Interlock switches SW1, SW2, SW3 and SW4 and make sure that they are OK.
Are all switches OK?
Y
N
Replace the faulty switch.
Make sure Switch SW1, SW2, SW3 and SW4 is interlocked. Power ON the Booklet Maker. Disconnect plug D.P13 and
D.P15. Measure J15-2 and J13-14 .
Is there 5V?
Y
N
Replace PCB ”D”.
Measure J12-1 and J12-2 on PCB ”D”.
The voltage is approximately 36V DC?
Y
N
Replace wire Harness.
Replace PCB ”D”.
WARNING
Warning this measurement involves live conductors. Use caution not to
short circuit any conductors.
SF-150 / 151
BF-4-10
20 October 2010
FAULT CODE DESCRIPTION
SF-203
Fault code SF-203, indicates that during Run the Clamp sensor (SF-Q6), was not blocked within
timeout.
Initial Actions
Initial Actions
Make sure that the sensor Is clean.
Make sure that the Clamp sensor (SF-Q6), is installed correctly.
Check fuse F3 on the Book folder Transformer.
Procedure
Enter the Service mode and select Clamp sensor (SF-Q6) in check sensors. Block, then unblock, the Q6 sensor with a
sheet of paper.
The Clamp sensor (SF-Q6) sensor indicates :0 when the sensor is blocked, and :1 when the sensor is
not blocked?
Y
N
Go to SF-014 fault code.
1. Make sure that nothing interferes with the paper path.
2. Make sure that the Feeding belts are moving as they should.
3. Clean the Feeding belts.
SF-202
Fault code SF-202, indicates that at ”initialization” or during Run the Infeed sensor (SF-Q5), was
blocked exceeding timeout.
Initial Actions
Initial Actions
Make sure that the sensor Is clean.
Make sure that the Infeed sensor (SF-Q5), is installed correctly.
Check fuse F3 on the Book folder Transformer.
Procedure
Enter the Service mode and select Infeed sensor (SF-Q5) in check sensors. Block, then unblock, the Q5 sensor with a sheet
of paper.
The Infeed sensor (SF-Q5) sensor indicates :0 when the sensor is blocked, and :1 when the sensor is not
blocked?
Y
N
Go to SF-013 fault code.
1. Make sure that nothing interferes with the paper path.
2. Make sure that the Feeding belts are moving as they should.
3. Clean the Feeding belts.
SF-201
Fault code SF-201, indicates that during Run (Operation) the Infeed sensor (SF-Q5), was not
blocked within timeout after the exit signal from the Trimmer, was detected.
Initial Actions
Initial Actions
Make sure that the sensor Is clean.
Make sure that the Infeed sensor (SF-Q5), is installed correctly.
Check fuse F3 on the Book folder Transformer.
Procedure
Enter the Service mode and select Infeed sensor (SF-Q5) in check sensors. Block, then unblock, the Q5 sensor with a sheet
of paper.
The Infeed sensor (SF-Q5) sensor indicates :0 when the sensor is blocked, and :1 when the sensor is not
blocked?
Y
N
Go to SF-013 fault code.
Make sure that nothing interferes with the paper coming out from the Trimmer, and going into the Book folder.
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