Imaging Artifacts
219
TROUBLESHOO
TING
6.
White Line I -
Vertical white line appears in a specific color area when test-printed in the four color mode
(Stripe Mode)
Main Causes
1.
Foreign particles adhered to Developer Roller of specific color in question.
2.
Foreign particles adhered to the Toner Module's Main Blade of specific color in question.
Countermeasures
1.
Implement the test print.
2.
Confirm which toner module has caused the white line.
3.
Remove the foreign particles adhering to the developer roller.
Developer Roller
Toner Drop
Toner Module
OPC Belt Cartridge
Toner Module
K(Black)
Y(Yellow)
M(Magenta)
C(Cyan)
K
Y
M
C
Summary of Contents for Super Script 4400
Page 1: ...NEC SuperScript 4400 4400N Maintenance Guide 18 September 1998 Part Number 703 A0240 001 ...
Page 3: ...i SuperScript 4400 Maintenance Guide ...
Page 61: ...52 SuperScript 4400 Maintenance Guide ...
Page 71: ...62 SuperScript 4400 Maintenance Guide ...
Page 125: ...116 SuperScript 4400 Maintenance Guide ...
Page 189: ...180 SuperScript 4400 Maintenance Guide Toner Sensor TPD Toner Sensor TTR Fram Ass y ...
Page 193: ...184 SuperScript 4400 Maintenance Guide Stay A Ass y Transfer Drum ...
Page 203: ...194 SuperScript 4400 Maintenance Guide Stay A Ass y ...
Page 267: ...258 SuperScript 4400 Maintenance Guide ...
Page 273: ...264 SuperScript 4400 Maintenance Guide ...
Page 287: ...XIV SuperScript 4400 Maintenance Guide F G H I J ...
Page 289: ...XVI SuperScript 4400 Maintenance Guide ...
Page 293: ...ii Superscript 4200N and 4400 Series Maintenance Guide Addendum ...
Page 295: ...iv Superscript 4200N and 4400 Series Maintenance Guide Addendum ...
Page 302: ...7 ...
Page 314: ...19 NOTES ...
Page 315: ...20 Superscript 4200N and 4400 Series Maintenance Guide Addendum ...
Page 316: ......