Epson Aculaser M 2000 Service Manual

EPSON AcuLaser C9200NRevision D
Troubleshooting      Image quality problem 151
Confidential
 
INCORRECT COLOR IMAGE REGISTRATIONA. Typical Faulty ImagesB. Troubleshooting ProcedureStep
Section
Check Item
Result
Action
1
Machine 
condition
Vibration is given to the 
machine after main power 
switch has been turned ON.
YES
Turn off the Main Power 
Switch and turn it on again 
more than 10 seconds after.
2
Transfer Belt
Fingerprints, oil, or other 
foreign matter is evident on 
the Image Transfer Belt.
YES...

EPSON AcuLaser C9200NRevision D
Troubleshooting      Image quality problem 152
Confidential
 
VOID AREAS, WHITE SPOTSA. Typical Faulty ImagesB. Troubleshooting ProcedureStep
Section
Check Item
Result
Action
1
Image Check
There are void areas at the front 
side or high density section.
YES
p.149
2
There are void areas in the 
trailing edge.
YES
Change the setting value of TR 
XXX in the Printer Adjust 
Menu.
3
Transfer Belt 
Unit
Fingerprints, oil, or other 
foreign matter is evident on 
the Transfer...

EPSON AcuLaser C9200NRevision D
Troubleshooting      Image quality problem 153
Confidential
 
COLORED SPOTSA. Typical Faulty ImagesB. Troubleshooting Procedure

 
POOR FUSING PERFORMANCE, OFFSETA. Typical Faulty ImagesB. Troubleshooting Procedure
Step
Section
Check Item
Result
Action
1
Photoconductor 
Unit
The surface of the PC Drum is 
scratched.
YES
Change Photoconductor Unit. (p.162)
2
Transfer Belt 
Unit
Fingerprints, oil, or other 
foreign matter is evident on 
the Transfer Belt.
YES
Clean with...

EPSON AcuLaser C9200NRevision D
Troubleshooting      Image quality problem 154
Confidential
 
BRUSH EFFECT, BLURRED IMAGEA. Typical Faulty ImagesB. Troubleshooting Procedure

 
BACK MARKINGA. Typical Faulty ImagesB. Troubleshooting Procedure
Step
Section
Check Item
Result
Action
1
Paper
Paper is damp.
YES
Change paper to one just 
unwrapped from its package. 
Install Paper Dehumidifying 
Heater.
2
Paper type does not match.
YES
Change the setting.
3
Fusing Unit
Fusing Entrance Guide Plate 
is dirty.
YES...

EPSON AcuLaser C9200NRevision D
Troubleshooting      Image quality problem 155
Confidential
 
UNEVEN IMAGEA. Typical Faulty ImagesB. Troubleshooting Procedure
 OR 
 
IMAGE TROUBLES THAT APPEAR AT REGULAR INTERVALSWhen an image trouble occurred at the certain pitch, some rollers at the printing 
 
process or the paper conveying system in the engine have something wrong. Perform 
efficient trouble shooting by checking the appropriate roller, based on circumferential 
length (interval) for each roller...

Confidential
CHAPTER
4
DISASSEMBLY AND ASSEMBLY 

EPSON AcuLaser C9200NRevision D
DISASSEMBLY AND ASSEMBLY      Preliminary Check 157
Confidential4.1  Preliminary Check4.1.1  Tool ListThe tools listed below are required for disassembling the printer.
4.1.2  Parts/Units that Should Not be DisassembledDo not disassemble the following parts or units. Doing so can result in malfunction of 
the printer.†Consumables / After Service Parts
Do not disassemble the consumables or parts/units that are supplied as After 
Service Parts.
Example:
„Toner Cartridge...

EPSON AcuLaser C9200NRevision D
DISASSEMBLY AND ASSEMBLY      Preliminary Check 158
Confidential4.1.3   How to Read this ChapterPAGE CONFIGURATION†Opening page
†Main page
EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DNRevision A
DISASSEMBLY AND ASSEMBLY Main Unit Disassembly/Reassembly 30
Confidential1.3.4  Group 4CONTENT
Table 1-7.  
Parts/Units to be Disassembled
Guide
Paper Feed Roller (Paper Cassette)
Paper Sensor
Separation Roller (Paper Cassette)ABC
Paper Sensor
Paper Feed Roller (Paper Cassette)AB-...

EPSON AcuLaser C9200NRevision D
DISASSEMBLY AND ASSEMBLY      Preliminary Check 159
ConfidentialPROCEDURE 1. Find the part/unit you want to remove in the table.
2. Check the alphabetic character “Guide” in the Guide column for the target 
part/ unit.
Example: When you want to remove the Separation Roller, its “Guide” is 
“C”.
3. Go to main pages, find the columns that has the “Guide” character on the 
upper left corner, and perform the procedure described in the columns in 
numerical sequence.
Example:...

EPSON AcuLaser C9200NRevision D
DISASSEMBLY AND ASSEMBLY      List of Disassembly/Reassembly Parts/Units 160
Confidential4.2  List of Disassembly/Reassembly Parts/Units
Table 4-1.  Main Unit
Section
Parts/Unit
Ref.
ConsumablesToner Cartridge (+ Odor Filter)P. 175
Photoconductor UnitP. 162
Waste Toner Collector + Exhaust FilterP. 162
Periodic 
replacement partsFusing UnitP. 162
Transfer Belt Unit P. 162
2nd Transfer RollerP. 169
Ozone FilterP. 169
Dust FilterP. 169
Maintenance UnitFeed Roller (Standard...