417
DP-C405/C305/C265
FEB 2008
Ver. 1.1
4.3.
Printed Copy Quality Problems
4.3.1.
Printed Image
4.3.2.
Copy Image Quality Adjustment
4.3.2.1.
Monochrome Image Quality Adjustment
Mode
Adjustment
F-Code
Function
Mono
Copy
Density Adj.
Highlight
Text
F6-220
Density Adjustment of Highlighted area
* Perform after completing the printer and scanner
adjustment
* Not used for reducing the density compensation
* Adjust according to customer's needs
Default: 0 : -32 => 31 + (Lighter to Darker)
Text mode
: Useful for Newspapers, Tracing Paper, etc
T/P mode
: Useful for Maps, 1-Color, 2-Color
Photo mode
: Useful for Photos
T/P
F6-221
Photo
F6-222
-32 - 31
0 (default)
14
44.0
18
28.3
18
56.5
21
66.0
28
88.0
30
94.2
--
148
--
986
OK
Not OK
Horizontal Line (Front to Rear),
Vertical Line (Feed direction), Cyclical
Stripes or Dots on the Printed Image
Vertical Stripe
Check:
OPC Drum; Charge/Developer
Clean:
IT Belt, STR Unit, Cleaning Unit,
LSU/Scanner, Glass/Mirror/Lens
Horizontal Stripe (Cyclical)
- Check the periodic pitch.
- Clean the appropriated parts.
- Replace the inoperative parts/unit.
Print Test Pattern
Check the Image
Print Test Pattern
END
Check/Clean/
Replace
Diameter
(mm)
Pitch
(mm)
1. Gently clean the soiled area only as
described below:
a) Clean the Cleaning Unit with a Dry Soft
cloth; carefully removing paper powder,
pieces of paper.
b) Clean the IT Belt & the STR Unit with
a Dry Soft cloth; carefully removing the
Toner first, and then cleaning with a Soft
cloth saturated with Alcohol.
2. If the problem is not resolved, then replace
the inoperative Part/Unit.
Test Pattern F1 Mode
F1-24/25/26/27:
Y/M/C/BK Halftone (2x2dots)
F1-36 :
BK Solid Patch A3/LDR
F1-37 :
BK by YMC Halftone Patch A3/LDR
Charge Roller
Magnet Roller
FTR Roller
STR Bias Roller
STR Roller
OPC Drum
Fuser Belt
IT Belt
Caution:
Summary of Contents for Workio DP-C305
Page 2: ...2...
Page 3: ...3...
Page 5: ...5...
Page 6: ...6 For PB and Other Destinations not for PU USA Canada...
Page 11: ...11...
Page 12: ...12...
Page 13: ...13...
Page 14: ...14 memo...
Page 220: ...220 FEB 2008 Ver 1 1 DP C405 C305 C265 Color Test Chart 101 P N PJQRC0119Z LDR PJQRC0120Z A3...
Page 232: ...232 FEB 2008 Ver 1 1 DP C405 C305 C265 3 20 720K PM Kit DQ M35S72 DQ M32N72...
Page 400: ...400 FEB 2008 Ver 1 1 DP C405 C305 C265 LVPS CN6 LVPS CN7 Refer to SCN PC Board...
Page 401: ...401 FEB 2008 Ver 1 1 DP C405 C305 C265 LVPS CN8 Europe Specification Only...
Page 404: ...404 FEB 2008 Ver 1 1 DP C405 C305 C265 CST PCB CN603 CST PCB CN604...
Page 405: ...405 FEB 2008 Ver 1 1 DP C405 C305 C265 CST PCB CN605...
Page 406: ...406 FEB 2008 Ver 1 1 DP C405 C305 C265...
Page 407: ...407 FEB 2008 Ver 1 1 DP C405 C305 C265 CST PCB CN606...
Page 408: ...408 FEB 2008 Ver 1 1 DP C405 C305 C265...
Page 409: ...409 FEB 2008 Ver 1 1 DP C405 C305 C265 CST PCB CN607...
Page 410: ...410 FEB 2008 Ver 1 1 DP C405 C305 C265 CST PCB CN608...
Page 412: ...412 FEB 2008 Ver 1 1 DP C405 C305 C265 TRU PCB CN613...
Page 414: ...414 FEB 2008 Ver 1 1 DP C405 C305 C265 RLB PCB CN176...
Page 615: ...615 DP C405 C305 C265 FEB 2008 Ver 1 1 1 2 3 4 5 6 7 8...
Page 752: ...752 FEB 2008 Ver 1 1 DP C405 C305 C265 memo...
Page 847: ...847 DP C405 C305 C265 FEB 2008 Ver 1 1 2 Motor PCBs Fig 5 009 M1 M2 M8 M5 M4 M3 M7 M6 1...
Page 919: ......
Page 920: ...Published in Japan...