KIP 9000 Service Manual page 501

7. 2. 2. 8 "J-13" Fuser Entrance Jam
Cause Order
Exit Sensor
(LS2)
Separation Corona
Separation Lamp
Pre-transfer LED
Separation Fan
(BL1)
Separation Assist
Blowers
(BL12, BL13, BL14,
BL15 & BL16)
Pressure Blowers
(BL4, BL5, BL6 &
BL7)
DC Driver PCB
(PW7755)
Main Control PCB
(PW11520)
7. 2. 2. 9 "J-14" Fuser Inside Jam
Cause Order
Stripper Finger Ass'y
Or Separation Finger
Exit Sensor
(LS2)
Main Control PCB
(PW11520)
Checking matter
1 Check the input signal from the
Exit Sensor (signal code 2F) in
the Input/Output Checking Mode
of Service Mode.
Is it "L" when the media is on the
sensor and "H" when the media is
not on the sensor?
2 Can the Separation Corona
(signal code : A1) be operated
properly in the Function Checking
Mode of Service Mode?
3 Can the Separation Lamp (signal
code : 7B) be operated properly in
the Function Checking Mode of
Service Mode?
4 Can the Pre-transfer LED (signal
code : A3) be operated properly in
the Function Checking Mode of
Service Mode?
5 Can the Separation Fan (signal
code : 7D) be operated properly in
the Function Checking Mode of
Service Mode?
6 Can the Separation Assist
Blowres be operated properly in
the Function Checking Mode of
Service Mode?
- BL12 & BL16 (Signal code : 3E)
- BL13 & BL15 (Signal code : 3F)
- BL14 (Signal code : 99)
7 Can the Pressure Blowers (signal
codes : 6D & 6F) be operated
properly in the Function Checking
Mode of Service Mode?
8 Can the error be fixed by
replacing the DC Driver PCB?
9 Can the error be fixed by
replacing the Main Control PCB?
Checking matter
1 Is the tip of Stripper Finger Ass'y
or Separation Finger dirty?
2 Check the input signal from the
Exit Sensor (signal code 2F) in
the Input/Output Checking Mode
of Service Mode.
Is it "L" when the media is on the
sensor and "H" when the media is
not on the sensor?
3 Can the error be fixed by
replacing the Main Control PCB?
7-14
Result Treatment
No 1. Check if the sensor harness has
any abnormality.
2. Replace the sensor (LS2) if the
harness is OK.
No 1. Clean each housing and wire,
and check the wire height.
2. Replace the corona wire.
3. Replace the High Voltage Power
Supply (HVP4).
No 1. Check if the harness of lamp
has any abnormality.
2. Replace the Separation Lamp if
the harness is OK.
No 1. Check if the harness of LED
has any abnormality.
2. Replace the Pre-transfer LED if
the harness is OK.
No 1. Check if the harness of fan
has any abnormality.
2. Replace the fan (BL1) if the
harness is OK.
No 1. Check if the harness of each
blower has any abnormality.
2. Replace the blower (BL12 to 16)
if the harness is OK.
No 1. Check if the harness of blower
has any abnormality.
2. Replace the blowers (BL4 to 7) if
the harness is OK.
Yes OK
Yes OK
Result Treatment
Yes Clean their tips.
No 1. Check if the sensor harness has
any abnormality.
2. Replace the sensor (LS2) if the
harness is OK.
Yes OK
K115sm7e1.doc