3-60
Chapter 3 Troubleshooting
Check the wire between the DRUM (C) J154 and the MCU
PWB J405 for an open circuit and poor contact. If no problems
are found, replace the DRUM (C). (PL4.1)
Replace the MCU PWB. (PL13.1)
009-912 DRUM TYPE MISS MATCH (M)
Description
DRUM Type Mismatch
BSD on : CH9.3 CH9.31B
Procedure
Run
DC330
[009-152].
Is H displayed?
Y
N
Check installation status of the DRUM.
Check the wire between the DRUM (M) J152 and the MCU
PWB J405 for an open circuit and poor contact. If no problems
are found, replace the DRUM (M). (PL4.1)
Replace the MCU PWB. (PL13.1)
009-913 DRUM TYPE MISS MATCH (Y)
Description
DRUM Type Mismatch
BSD on : CH9.3 CH9.31B
Procedure
Run
DC330
[009-151].
Is H displayed?
Y
N
Check installation status of the DRUM.
Check the wire between the DRUM (Y) J151 and the MCU
PWB J405 for an open circuit and poor contact. If no problems
are found, replace the DRUM (Y). (PL4.1)
Replace the MCU PWB. (PL13.1)
009-920 TONER YELLOW EMPTY
Description
The YELLOW 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 : CH9.10 CH9.15 CH9.16 CH9.31C
Procedure
Check that the toner in the DEVE UNIT is even.
Y
N
Run
DC330
[009-001].
Is the DISPENSE MOTOR (Y) 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 (Y) OK?
Y
N
Check the installation status of the ATC SENSOR and the
wire between the ATC SENSOR P129 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.
009-921 TONER MAGENTA EMPTY
Description
The MAGENTA 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 : CH9.11 CH9.15 CH9.16 CH9.31C
Procedure
Check that the toner in the DEVE UNIT is even.
Y
N
Run
DC330
[009-002].
Is the DISPENSE MOTOR (M) rotating?
Y
N
Repair the DISPENSE MOTOR using Generic Motor
Does Not Rotate Failure FIP. (PL6.1)
Check the Auger Mechanism for toner supply.
Содержание DP-C321
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