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Diagnostic Information 2-63
4085-001
Power Supply Service Check
Dead Machine
Note: Remove paper from printer prior to performing the dead machine
service check. Observe all necessary ESD precautions when removing and
handling the RIP card, engine board, or any of the installed option cards or
assemblies.
3 Paper Feed Pick
Motor
Paper Feed Motor
With the power on, check for the following
readings:
(J3) pin 3 to ground = 5 V dc
(J3) pin 6 to ground = 35 V dc
(J3) pin 7 to ground = 35 V dc
(J3) pin 10 to ground = 5 V dc
If voltage is incorrect, replace tray 2 card. If
voltage is correct, disconnect (J3). Check between
6 and 7 on the connector for approximately 11.8
ohms. If reading is incorrect, replace the paper
feed pick motor assembly. If reading is correct,
check the continuity between each 6 and 7 to the
motor case. If continuity exists, replace the paper
feed pick motor assembly.
With the power on, check the voltage at (J1) paper
feed motor connector. The voltage at each pin
should read approximately 34 V dc. If voltage is
correct check continuity. If continuity is incorrect,
replace the paper feed motor. If symptom remains,
go to step 4.
Note: If a short exists in the paper feed motor,
damage to the engine board drivers and power
supply may occur.
4 Tray 2 Sensor
Check
See “Tray 2 Sensor Test” on page 3-27 . If test
fails, replace the sensor.
5 RIP Card Cable Check the continuity of the RIP card cable. If
incorrect, replace the cable. If correct, replace the
RIP card.
FRU Action
1 AC Outlet Check the AC outlet for correct line voltage. If
incorrect, inform the customer.
FRU Action