02/2000
2-13
DocuPrint N2125
RAP 3
Status Indicator Repair Analysis Procedures
Initial Issue
RAP 3 DC Power Loading
Initial Actions
DC Power before starting this RAP.
WARNING
AC input voltages can be lethal. Use extreme care while checking the voltages on the
LVPS.
Disconnect the power cord while checking the continuity of fuses and while removing or
reinstalling the components.
Procedure
Switch the printer power off. Remove the Left Interface Cover (
), Left Cover (
),
and the Left Plate Assembly (
). Disconnect the following from the LVPS:
•
P/J281 (Print Engine Controller PWB)
•
P/J282 (System Controller PWB)
•
P/J283 (LVPS Fan)
•
Pn1 (5VDC Power Supply)
Switch the printer power on and measure the voltages listed in
Table 1
on the LVPS.
All voltages are correct.
Y
N
Replace the LVPS (
).
Switch the printer power off. Reconnect P/J281 to the LVPS. Switch the printer power on and
measure the voltages listed in
. All the voltages are correct
Y
N
Switch the printer power off. Reconnect all the P/Js to the LVPS. Disconnect the following
from the Print Engine Controller PWB:
•
P/J22 (Laser)
•
P/J21 (Laser, SOS)
•
P/J23 (Connector PWB)
•
P/J25 (Print Cartridge Sensor)
•
P/J32 (Exit Motor)
•
P29 (Main Motor)
•
P/J26 (HVPS PWB)
•
P/J27 (Exit Sensor)
•
P/J31 (Stack Full Sensor)
•
P/J33 (Size 1 PWB)
•
P/J34 (Duplex PWB)
•
P/J35 (OCT PWB)
Switch the printer power on and measure the voltages listed in
. All voltages are
correct.
Y
N
Replace the Print Engine Controller PWB (
).
Switch the printer power off. Reconnect P/J23. Switch the printer power on. Measure the
voltages listed in
. All the voltages are correct.
Y
N
Disconnect the following from the Connector PWB:
•
P/J43 (Registration Sensor, Registration Clutch)
•
P/J42 (Toner Sensor)
•
P/J45 (Paper Set Sensor)
•
P/J44 (Pick Up Solenoid)
•
P/J41 (Envelope PWB)
Switch the printer power on. Measure the voltages listed in
. All the volt-
ages are correct.
Y
N
Replace the Connector PWB.
Switch the printer power off. Reconnect one of the disconnected plugs. Switch the
printer power on. Measure the voltages listed in
. All the voltages are cor-
rect.
Y
N
Replace the component just connected to the Connector PWB.
Repeat the step with the next disconnected plug.
Switch the printer power off. Reconnect one of the disconnected plugs. Switch the printer
power on. Measure the voltages listed in
. All the voltages are correct.
Y
N
Replace the component just connected to the Print Engine Controller PWB.
Repeat the step with the next disconnected plug.
Switch the printer power off. Reconnect one of the disconnected plugs. Switch the printer
power on. Measure the voltages listed in
. All the voltages are correct.
Y
N
Replace the component just connected to the LVPS.
Repeat the step with the next disconnected plug.
Table 1 LVPS
Red Lead
Black Lead
Voltage
P/J281 pin 7
Frame Ground
+5.0VDC
P/J281 pin 10
Frame Ground
+3.3VDC
P/J281 pin 1
Frame Ground
+24.0VDC
A
A
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Содержание N2125N - DocuPrint B/W Laser Printer
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Страница 19: ...02 2000 2 2 DocuPrint N2125 Initial Issue Status Indicator Repair Analysis Procedures...
Страница 21: ...02 2000 2 4 DocuPrint N2125 Introduction Measurements Initial Issue Status Indicator Repair Analysis Procedures...
Страница 27: ...02 2000 2 10 DocuPrint N2125 Error Code Tables Initial Issue Status Indicator Repair Analysis Procedures...
Страница 61: ...02 2000 2 44 DocuPrint N2125 RAP 50 RAP 51 Initial Issue Status Indicator Repair Analysis Procedures...
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Страница 75: ...02 2000 3 2 DocuPrint N2125 Initial Issue Image Quality Repair Analysis Procedures...
Страница 103: ...02 2000 4 4 DocuPrint N2125 Introduction Initial Issue Repair Adjustment...
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Страница 217: ...02 2000 5 2 DocuPrint N2125 Initial Issue Parts list...
Страница 241: ...02 2000 6 2 DocuPrint N2125 Initial Issue General Procedures Information...
Страница 243: ...02 2000 6 4 DocuPrint N2125 Introduction Initial Issue General Procedures Information...
Страница 263: ...02 2000 6 24 DocuPrint N2125 GP 2 11 Initial Issue General Procedures Information...
Страница 287: ...02 2000 6 48 DocuPrint N2125 GP 4 1 Initial Issue General Procedures Information manuals4you com manuals4you com...
Страница 289: ...02 2000 6 50 DocuPrint N2125 GP 4 1 Initial Issue General Procedures Information Figure 4 PCL Menu...
Страница 293: ...02 2000 6 54 DocuPrint N2125 GP 4 1 Initial Issue General Procedures Information Figure 9 Ethernet Menu...
Страница 295: ...02 2000 6 56 DocuPrint N2125 GP 4 1 Initial Issue General Procedures Information Figure 11 Novell Menu...
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Страница 299: ...02 2000 6 60 DocuPrint N2125 GP 5 1 Initial Issue General Procedures Information...
Страница 301: ...02 2000 7 2 DocuPrint N2125 Initial Issue Wiring Data...
Страница 307: ...02 2000 7 8 DocuPrint N2125 Base Engine Initial Issue Wiring Data Figure 5 Block Diagram 2 of 2...