02/2000
2-13
DocuPrint N2025/N2825
RAP 3
Status Indicator Repair Analysis Procedures
Initial Issue
RAP 3 DC Power Loading
Initial Actions
Perform RAP 2 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 Lower Rear Cover (REP 1.7). Disconnect the follow-
ing from the LVPS:
•
P/J161 (Print Engine Controller PWB)
•
P/J163 (System Controller PWB)
•
P/J164 (Main Motor)
•
P/J165 (Main Fan)
•
P/J166 (LVPS Fan)
•
P/J168 (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 (REP 8.6).
Switch the printer power off. Reconnect P/J161 to the LVPS. Switch the printer power on and
measure the voltages listed in Table 1. All the voltages are correct
Y
N
Switch the printer power off. Remove the Left Side Cover and the Print Engine Controller
PWB Cover. Reconnect all the P/Js to the LVPS. Disconnect the following from the Print
Engine Controller PWB:
•
P/J11 (Laser)
•
P/J21 (Print Cartridge Sensor)
•
P/J14 (Toner Sensor)
•
P/J12 (Tray 1 Feed head components/Tray 1 Low Paper Sensor)
•
P/J22 (Registration Clutch)
•
P/J13 (Feeder 2/3)
•
P/J17 (Fuser Control PWB / Fuser)
•
P/J19 (Duplex Assembly/OCT)
•
P/J18 (HVPS/Registration Sensor)
•
P/J20 (Tray 1 Size Sensor/MBF Home Sensor)
Switch the printer power on and measure the voltages listed in Table 1. All voltages are
correct.
Y
N
Replace the Print Engine Controller PWB (REP 8.5).
Switch the printer power off. Reconnect one of the disconnected plugs. Switch the printer
power on. Measure the voltages listed in Table 1. 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 Table 1. 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/J161 pin 10
Frame Ground
+5.0VDC
P/J161 pin 11
Frame Ground
+3.3VDC
P/J161 pin 3
Frame Ground
+24.0VDC
A
A
Summary of Contents for DocuPrint N2025
Page 12: ...02 2000 1 2 DocuPrint N2025 N2825 Initial Issue Service Call Procedures...
Page 20: ...02 2000 2 2 DocuPrint N2025 N2825 Initial Issue Status Indicator Repair Analysis Procedures...
Page 86: ...02 2000 3 2 DocuPrint N2025 N2825 Initial Issue Image Quality Repair Analysis Procedures...
Page 114: ...02 2000 4 4 DocuPrint N2025 N2825 Introduction Initial Issue Repair Adjustment...
Page 120: ...02 2000 4 10 DocuPrint N2025 N2825 REP 1 8 REP 1 9 Initial Issue Repair Adjustment...
Page 128: ...02 2000 4 18 DocuPrint N2025 N2825 REP 2 10 REP 2 11 Initial Issue Repair Adjustment...
Page 134: ...02 2000 4 24 DocuPrint N2025 N2825 REP 3 7 Initial Issue Repair Adjustment...
Page 144: ...02 2000 4 34 DocuPrint N2025 N2825 REP 5 5 Initial Issue Repair Adjustment...
Page 152: ...02 2000 4 42 DocuPrint N2025 N2825 REP 7 6 REP 7 7 Initial Issue Repair Adjustment...
Page 160: ...02 2000 4 50 DocuPrint N2025 N2825 REP 8 9 Initial Issue Repair Adjustment...
Page 186: ...02 2000 4 76 DocuPrint N2025 N2825 REP 11 21 REP 11 22 Initial Issue Repair Adjustment...
Page 204: ...02 2000 4 94 DocuPrint N2025 N2825 REP 12 29 Initial Issue Repair Adjustment...
Page 206: ...02 2000 4 96 DocuPrint N2025 N2825 ADJ 1 1 Initial Issue Repair Adjustment...
Page 208: ...02 2000 5 2 DocuPrint N2025 N2825 Initial Issue Parts list...
Page 234: ...02 2000 6 2 DocuPrint N2025 N2825 Initial Issue General Procedures Information...
Page 236: ...02 2000 6 4 DocuPrint N2025 N2825 GP 1 1 Initial Issue General Procedures Information...
Page 274: ...02 2000 6 42 DocuPrint N2025 N2825 GP 3 5 Initial Issue General Procedures Information...
Page 282: ...02 2000 6 50 DocuPrint N2025 N2825 GP 4 8 Initial Issue General Procedures Information...
Page 324: ...02 2000 6 92 DocuPrint N2025 N2825 GP 5 23 Initial Issue General Procedures Information...
Page 326: ...02 2000 6 94 DocuPrint N2025 N2825 GP 6 1 GP 6 2 Initial Issue General Procedures Information...
Page 328: ...02 2000 6 96 DocuPrint N2025 N2825 GP 7 1 Initial Issue General Procedures Information...
Page 330: ...02 2000 6 98 DocuPrint N2025 N2825 GP 8 1 Initial Issue General Procedures Information...
Page 332: ...02 2000 7 2 DocuPrint N2025 N2825 Initial Issue Wiring Data...
Page 361: ...02 2000 7 31 DocuPrint N2025 N2825 Base Engine Wiring Data Initial Issue Figure 16 Figure 17...