140
UF-5500 / 4500
11.2.4.5. Black Print
CROSS REFERENCE:
LSU (Laser Scanning Unit) Section
OK?
YES
NO
END
Drum unit replace
OK?
YES
NO
OK?
YES
NO
END
Is a sheet of paper printed black in whole?
YES
YES
(without frame)
OK?
NO
NO
(with frame)
Is LSU normal?*1
Is the motion of the high-voltage terminal
smooth?
Replace the charged high-voltage
terminal.
*1. Open the Cover.
Remove the Drum unit.
A black tape is pasted to the cover glass under Drum unit.
Insert the Drum unit.
Print the document.
Check the output paper again.
If white paper is output, LSU is abnormal.
Paper
Travel
Go to LSU Section.
Go to
HIGH VOLTAGE
SECTION.
frame
Summary of Contents for UF-4500
Page 180: ...180 UF 5500 4500 ...
Page 248: ...248 UF 5500 4500 13 5 Test Chart 13 5 1 ITU T No 1 Test Chart ...
Page 249: ...249 UF 5500 4500 13 5 2 ITU T No 2 Test Chart ...
Page 281: ...281 UF 5500 4500 10 10 11 15 12 17 18 19 20 21 22 23 24 28 29 30 27 25 26 21 13 14 16 30 ...
Page 287: ...287 UF 5500 4500 130 131 132 133 134 135 136 137 138 139 140 141 PCB2 A UF 5500 only CN1 ...
Page 297: ...297 UF 5500 4500 ...
Page 305: ...305 UF 5500 4500 ...
Page 311: ...311 UF 5500 4500 501 502 503 504 506 507 505 508 509 511 510 514 513 512 P51 P53 P54 A51 P52 ...
Page 362: ...362 UF 5500 4500 ...