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TROUBLESHOOTING
2.11.1 No Power
Step
Check
Remedy
YES
NO
1
(Initial Check)
Are any parts broken, malformed, incorrectly installed
or different from those listed in the specifications?
• Principle Parts to be Checked:
(1) LVPS assembly, (2) MCU PWB, (3) HVPS
(4) Drive assembly, (5) ROS assembly
2
(Check the fuse.)
Is the fuse in the LVPS blown?
3
(Check the LVPS assembly.) *1
Is a voltage of 24VDC supplied between
J11-2PIN
↔
J11-1PIN, and is a voltage of 5VDC
supplied between J11-4PIN
↔
J11-7PIN and between
J11-5PIN
↔
J11-7PIN?
*1: Be sure the EP toner cartridge is installed and the front cover assembly is securely closed.
Replace the part or
install the part
correctly.
See step 2.
Replace the LVPS
assembly.
See step 3.
Replace the MCU
PWB.
Replace the LVPS
assembly.
Summary of Contents for WinType 4000
Page 1: ...WinType 4000 TECHNICAL MANUAL SECOND EDITION LASER PRINTER ...
Page 4: ......
Page 6: ... 2 GENERAL SPECIFICATIONS ...
Page 14: ... 10 THEORY OF OPERATION ...
Page 26: ... 22 THEORY OF OPERATION Figure 2 9 Electrical ...
Page 28: ... 24 REPLACEMENT AND ADJUSTMENT OF PARTS ...
Page 62: ... 58 REPLACEMENT AND ADJUSTMENT OF PARTS ...
Page 64: ... 60 MAINTENANCE GUIDE ...
Page 114: ... 110 MAINTENANCE GUIDE ...
Page 116: ... 112 TROUBLESHOOTING ...
Page 176: ... 172 5 ELECTRICAL 5 1 Disassembly Drawing 1 2 3 4 14 4 14 2 14 1 14 3 13 12 11 6 5 7 8 9 10 ...
Page 179: ......