EPSON EPL-N4000/EPL-N4000+
Chapter 3
Troubleshooting
Rev.B
106
Table 3-19. Inoperative Main Drive Assembly
Table 3-20. Inoperative Main Drive Assembly
Step
Actions and Questions
Yes
No
4
FUSER ASSEMBLY BINDING
CHECK
1. Remove the Fuser Assembly.
2. Hand rotate (counter clockwise) the
Main Motor.
Can you rotate the Main Motor and
do the gears of the Drive Assembly
rotate easily and without binding?
Replace the
Fuser
Assembly
with a new
one.
Go to step 5
5
EXIT DRIVE ASSEMBLY BINDING
CHECK
1. Lift the Exit Drive Assembly spring-
loaded drive gear off of the Main
Drive Assembly drive gear.
2. Hand rotate (counter clockwise) the
Main Motor.
Can you rotate the Main Motor and
do the gears of the Drive Assembly
rotate easily and without binding?
Replace the
Exit Drive
Assembly.
Go to step 6
6
TRAY 2 DRIVE BINDING CHECK
1. Lift the Tray 2 spring-loaded drive
gear off of the Main Drive Assembly
drive gear.
2. Hand rotate (counter clockwise) the
Main Motor.
Can you rotate the Main Motor and
do the gears of the Drive Assembly
rotate easily and without binding?
Replace
Tray 2
Drive
Assembly.
Go to step
7
Step
Actions and Questions
Yes
No
7
REGISTRATION CLUTCH BIND-
ING CHECK
1. Remove the Registration Clutch.
2. Hand rotate (counter clockwise) the
Main Motor.
Can you rotate the Main Motor and
do the gears of the Drive Assembly
rotate easily and without binding?
Replace the
Registration
Clutch with
a new one.
Go to step 8
8
FEED CLUTCH BINDING CHECK
1. Remove the Feed Clutch.
2. Hand rotate (counter clockwise) the
Main Motor.
Can you rotate the Main Motor and
do the gears of the Drive Assembly
rotate easily and without binding?
Replace the
Feed Clutch
with a new
one.
Replace the
Main Drive
Assembly.
9
LVPS +24VDC CHECK
Measure the voltage between J400-5
and FG, and between J400-6 and FG
on the MCU PWB.
Is there +24VDC between J400-5 and
FG, and is there +24VDC between
J400-6 and FG?
Replace the
Main Drive
Assembly.
Replace the
LVPS
Assembly.
Содержание EPL-N4000
Страница 1: ...EPSON EPL N4000 EPL N4000 Laser Printer SEPG98002 ...
Страница 15: ... PRODUCTDESCRIPTION ...
Страница 66: ... OPERATING PRINCIPLES ...
Страница 92: ...EPSON EPL N4000 EPL N4000 Chapter 2 Operating Principles Rev B 78 Figure 2 37 Power Supply Component ...
Страница 103: ... TROUBLESHOOTING ...
Страница 146: ... DISASSEMBLYANDASSEMBLY ...
Страница 238: ... ADJUSTMENT ...
Страница 239: ...EPSON EPL N4000 EPL N4000 Chapter 5 Adjustment Rev B 225 No adjustment is necessary for this printer ...
Страница 240: ... MAINTENANCE ...
Страница 242: ... APPENDIX ...
Страница 244: ...EPSON EPL N4000 EPL N4000 Chapter 7 Appendix Rev B 230 Figure 7 1 Major Component Connecting Diagram ...
Страница 249: ...EPSON EPL N4000 EPL N4000 Chapter 7 Appendix Rev B 235 Figure 7 3 P J Location Map2 Figure 7 4 P J Location Map3 ...
Страница 250: ...EPSON EPL N4000 EPL N4000 Chapter 7 Appendix Rev B 236 Figure 7 5 P J Location Map4 Figure 7 6 P J Location Map5 ...
Страница 251: ...EPSON EPL N4000 EPL N4000 Chapter 7 Appendix Rev B 237 Figure 7 7 P J Location Map6 Figure 7 8 P J Location Map7 ...
Страница 252: ...EPSON EPL N4000 EPL N4000 Chapter 7 Appendix Rev B 238 Figure 7 9 P J Location Map8 ...
Страница 266: ...EPSON EPL N4000 EPL N4000 Chapter 7 Appendix Rev B 252 Figure 7 24 C262 Main Component Layout Soldered side a02 ...
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