Toner Cyan Empty; Toner Black Empty - Panasonic DP-C321 Service Handbook

Run the DC922 TONE UP/DOWN.
Is the FAILURE judgement of the ATC SENSOR (M) OK?
Y N
Check the installation status of the ATC SENSOR and the
wire between the ATC SENSOR P130 and the MCU PWB
J405 for an open circuit and poor contact. If no problems
are found, replace the ATC SENSOR. (PL6.2)
Did the DEVE MOTOR rotate after the power was turned On/
Off?
Y N
Is +24 VDC measured between the DEVE MOTOR J232-
4 (+) and GND (-)?
Y N
Check the +24 VDC circuit to the DEVE MOTOR
J232-4 by referring to Chapter 4 Wiring Data.
(WN4.3.13 +24 VDC-1) (WN4.3.14 +24 VDC-2)
(WN4.3.15 +24 VDC-3) (WN4.3.16 +24 VDC-4)
Is +5 VDC measured between the DEVE MOTOR J232-7
(+) and GND (-)?
Y N
Check the +5 VDC circuit to the DEVE MOTOR
J232-7 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)
Check the wire between the DEVE MOTOR J232 and the
I/F PWB J534 for an open circuit and poor contact. If no
problems are found, replace the DEVE MOTOR. (PL1.1)
After checking that no failures are detected during normal oper-
ation, end the Diag.
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009-922 TONER CYAN EMPTY

Description The CYAN TONER cartridge is empty.
Though a usual display does not need troubleshooting, it may
be required in the following cases:
• Blocked toner
• An operation failure of the Dispense Motor
• When the machine outputs high-density prints continuously
BSD on : CH9.12 CH9.15 CH9.16 CH9.31C
Procedure
Check that the toner in the DEVE UNIT is even.
Y N
Run DC330 [009-003].
Is the DISPENSE MOTOR (C) rotating?
Y N
Repair the DISPENSE MOTOR using Generic Motor
Does Not Rotate Failure FIP. (PL6.1)
Check the Auger Mechanism for toner supply.
Run the DC922 TONE UP/DOWN.
Is the FAILURE judgement of the ATC SENSOR (C) OK?
Y N
Check the installation status of the ATC SENSOR and the
wire between the ATC SENSOR P131 and the MCU PWB
J405 for an open circuit and poor contact. If no problems
are found, replace the ATC SENSOR. (PL6.2)
Did the DEVE MOTOR rotate after the power was turned On/
Off?
Y N
Is +24 VDC measured between the DEVE MOTOR J232-
4 (+) and GND (-)?
Y N
Check the +24 VDC circuit to the DEVE MOTOR
J232-4 by referring to Chapter 4 Wiring Data.
(WN4.3.13 +24 VDC-1) (WN4.3.14 +24 VDC-2)
(WN4.3.15 +24 VDC-3) (WN4.3.16 +24 VDC-4)
Is +5 VDC measured between the DEVE MOTOR J232-7
(+) and GND (-)?
Y N
Check the +5 VDC circuit to the DEVE MOTOR
J232-7 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)
Check the wire between the DEVE MOTOR J232 and the
I/F PWB J534 for an open circuit and poor contact. If no
problems are found, replace the DEVE MOTOR. (PL1.1)
After checking that no failures are detected during normal
operation, end the Diag.

009-923 TONER BLACK EMPTY

Description The BLACK TONER cartridge is empty.
Though a usual display does not need troubleshooting, it may
be required in the following cases:
• Blocked toner
• An operation failure of the Dispense Motor
• When the machine outputs high-density prints continuously
BSD on : CH9.13 CH9.15 CH9.16 CH9.31C
Procedure
Check that the toner in the DEVE UNIT is even.
Y N
Run DC330 [009-004].
Is the DISPENSE MOTOR (B) rotating?
Y N
Repair the DISPENSE MOTOR using Generic Motor
Does Not Rotate Failure FIP. (PL6.1)
Check the Auger Mechanism for toner supply.
Run the DC922 TONE UP/DOWN.
Is the FAILURE judgement of the ATC SENSOR (K) OK?
Y N
Check the installation status of the ATC SENSOR and the
wire between the ATC SENSOR P131 and the MCU PWB
J405 for an open circuit and poor contact. If no problems
are found, replace the ATC SENSOR. (PL6.2)
Chapter 3 Troubleshooting