Diagnostic information
2-89
4500
Partial blank image/white spots (no periodic pattern)
Variation in image density horizontally across page
FRU
Action
Toner cartridge (not a FRU)
Remove the toner cartridge and
gently shake the assembly to evenly
distribute the toner.
If toner cartridge is low, try a new
one.
Fuser backup roll bearings
(and springs)
Check left and right backup roller
springs and backup roller to ensure
adequate even pressure is applied to
the fuser hot roll.
Paper (not a FRU)
Make sure recommended paper is
being used.
FRU
Action
Toner cartridge (not a FRU)
The charge roll may have an
unbalanced pressure against the
photoconductor (PC) drum.
Open the cover about two inches
and observe the charge roll against
the PC. It should be free from binds
and resting against the PC.
Try a new toner cartridge.
Transfer bearing
Transfer roll
Check the springs in the left and
right transfer roll bearings. The
bearing assemblies should support
the transfer roll, applying even
pressure to the PC drum.
Replace either or both transfer roll
bearing assemblies if the springs
show signs of damage or fatigue.
Inspect the transfer roll for signs of
wear, damage or contamination.
Replace as necessary.
Содержание E32x
Страница 14: ...xiv Service Manual 4500 Japanese laser notice Chinese laser notice ...
Страница 15: ...Laser notices xv 4500 Korean laser notice ...
Страница 16: ...xvi Service Manual 4500 ...
Страница 21: ...Safety information xxi 4500 ...
Страница 30: ...1 8 Service Manual 4500 ...
Страница 174: ...3 38 Service Manual 4500 E220 E321 E323 Printer settings configuration ...
Страница 175: ...Diagnostic aids 3 39 4500 E220 E321 E323 Printer diagnostics ...
Страница 178: ...3 42 Service Manual 4500 E220 E321 E323 ...
Страница 192: ...4 14 Service Manual 4500 ...
Страница 204: ...5 12 Service Manual 4500 E220 E321 E323 wiring diagram ...
Страница 205: ...Preventive maintenance 6 1 4500 6 Preventive maintenance The E220 E32x does not require preventive maintenance ...
Страница 206: ...6 2 Service Manual 4500 ...
Страница 208: ...7 2 Service Manual 4500 Assembly 1 Covers E320 E322 ...
Страница 210: ...7 4 Service Manual 4500 Assembly 1 cont Covers E220 E321 E323 ...
Страница 212: ...7 6 Service Manual 4500 Assembly 1 cont Covers E220 E321 E323 ...
Страница 214: ...7 8 Service Manual 4500 Assembly 2 Frame 11 7 5 9 2 10 6 8 14 1 3 4 13 12 ...
Страница 216: ...7 10 Service Manual 4500 Assembly 3 Fuser 7 12 10 1 2 3 4 6 8 9 5 11 11 8 7 5 6 6 5 ...
Страница 218: ...7 12 Service Manual 4500 Assembly 4 Main drive ...
Страница 220: ...7 14 Service Manual 4500 Assembly 5 Paper feed 3 11 7 13 5 16 9 15 2 10 6 4 12 8 14 1 8 11 17 ...
Страница 222: ...7 16 Service Manual 4500 Assembly 6 Printhead 8 5 2 1 3 6 4 7 ...
Страница 224: ...7 18 Service Manual 4500 Assembly 7 Electronics 8 5 2 6 4 1 3 7 ...
Страница 226: ...7 20 Service Manual 4500 Assembly 7 cont 8 5 2 6 4 1 3 7 ...
Страница 228: ...7 22 Service Manual 4500 Assembly 8 Options 3 5 1 4 6 2 ...
Страница 230: ...7 24 Service Manual 4500 Assembly 8 cont Options 3 5 1 4 6 2 ...
Страница 234: ...7 28 Service Manual 4500 ...
Страница 240: ...I 12 Service Manual 4500 ...