Panasonic Workio DP-C401 Service Handbook - page 90
3-16
Chapter 3 Troubleshooting
Y
N
Check the +5 VDC circuit to the TRAY 4 SIZE SENSOR
J824-1 by referring to Chapter 4 Wiring Data.
(WN4.3.5 +5 VDC-1) (WN4.3.6 +5 VDC-2)
(WN4.3.7 +5 VDC-3) (WN4.3.8 +5 VDC-4)
Is +5 VDC measured between the TRAY 4 SIZE SENSOR
J824-1 (+) and J824-3 (-)?
Y
N
Check the DC COM circuit to the TRAY 4 SIZE SENSOR
J824-3 by referring to Chapter 4 Wiring Data.
(WN4.3.9 +5 VRET-1) (WN4.3.10 +5 VRET-2)
(WN4.3.11 +5 VRET-3) (WN4.3.12 +5 VRET-4)
Check the installation status of the SENSOR. If no problems
are found, replace the TRAY SIZE SENSOR (PL14.1).
003-950 TRAY 1 NO PAPER
Description
TRAY 1 is empty.
BSD on : CH7.5 CH7.10B
Procedure
Run the
DC330
[007-120].
Turn the Actuator of the NO PAPER SENSOR On/Off.
Has the display changed?
Y
N
Repair the TRAY 1 NO PAPER SENSOR using Generic
Permeable Sensor Failure FIP. (PL2.4)
Replace the MCU MF PWB. (PL13.1)
003-951 TRAY 2 NO PAPER
Description
TRAY 2 is empty.
BSD on : CH7.8 CH7.10B
Procedure
Run the
DC330
[007-121].
Turn the Actuator of the NO PAPER SENSOR On/Off.
Has the display changed?
Y
N
Repair the TRAY 2 NO PAPER SENSOR using Generic
Permeable Sensor Failure FIP. (PL14.7)
Replace the TRAY MODULE PWB (PL14.15).
003-952 TRAY 3 NO PAPER
Description
TRAY 3 is empty.
BSD on : CH7.7 CH7.10B
Procedure
Run the
DC330
[007-122].
Turn the Actuator of the NO PAPER SENSOR On/Off.
Has the display changed?
Y
N
Repair the TRAY 3 NO PAPER SENSOR using Generic
Permeable Sensor Failure FIP. (PL14.9)
Replace the TRAY MODULE PWB (PL14.15).
003-953 TRAY 4 NO PAPER
BSD on : CH7.8 CH7.10B
Description
TRAY 4 is empty.
Procedure
Run the
DC330
[007-123].
Turn the Actuator of the NO PAPER SENSOR On/Off.
Has the display changed?
Y
N
Repair the TRAY 4 NO PAPER SENSOR using Generic
Permeable Sensor Failure FIP.(PL14.11)
Replace the TRAY MODULE PWB (PL14.15).
003-954 Tray SMH Empty
BSD on : CH7.9 CH7.10B
[Detection Conditions] No paper in the Bypass Tray is
detected.
Procedure
Run the
DC330
[007-125].
Load paper in the MSI and check the display of the H/L.
Has the display changed?
Y
N
Check the SENSOR using Generic Permeable Sensor
Failure FIP.
If the display does not disappear though H/L is switched,
replace the following parts in sequence:
• I/F PWB (PL9.1)
• MCU PWB (PL13.1)
003-958 Size Mismatch 1 SMH Size Mismatch
BSD on : CH7.10B
[Detection Conditions]
The paper size in the SMH tray and the paper size
specified for printing are different.
Procedure
Run the
DC140
[007-100].
Check that the AD value changes according to the paper size.
Has the AD value changed?
Y
N
Check the MSI SIZE SENSOR using Generic Permeable
Sensor Failure FIP.
If the display does not disappear though H/L is switched,
replace the following parts in sequence:
• I/F PWB (PL9.1)
• MCU PWB (PL13.1)