Epson Aculaser M 2000 Service Manual

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating Principle of Main Unit Mechanism 81
Confidential2.2.15  Paper exit section2.2.15.1  Composition
Figure 2-73.  Composition
2.2.15.2  Drive
Figure 2-74.  Drive overview
4039T2C125AA
4038T2C192AA
4039T2C120AA
Paper Exit Roller
Paper Exit Roller
Exit Sensor Charge 
Neutralizing 
Brush
4039T2C127AA
Fusing Drive Motor 
(M4)
Paper Exit Roller/1 

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating Principle of Main Unit Mechanism 82
Confidential2.2.16  Image stabilization controlStabilizes printed images by adjusting developing bias potential and laser 
intensity. Also, to prevent color misalignment, control the registration 
correction.2.2.16.1  OverviewThe machine provides the following image stabilization control to maintain the 
printed image quality.Note *1 : Refer to 
Registration Control (Color Shift Correction) System...

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating Principle of Main Unit Mechanism 83
Confidential2.2.17  Life managementThe following table shows the information about the life of consumable products and periodic replacement parts.
Type
Unit
Status
Life detection
Parts attributed 
life
Panel display
Solution
continued 
on 
printing
Image 
quality
New unit detection
(Reset counter)
Dictate Unit
Message
Error
LED
Consumable 
productsToner Cartridge Near-
Empty
The toner supplying amount...

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating Principle of Main Unit Mechanism 84
ConfidentialNote * : Continuing on printing is available until the power is turned OFF. When the Power is turned ON again, the status will become Near-Empty. Periodic 
replacement 
partsFusing Unit Near-
EmptyCondition becomes Near-Empty when any of the 
following values reaches the given value.
• Number of prints (Paper more than 216 mm in 
Sub Scan Direction is two counts)
• Value of the hours which...

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating principle of Option mechanism 85
Confidential2.3  Operating principle of Option mechanism2.3.1  Optional Cassette2.3.1.1  Composition
Figure 2-75.  Composition 1
Figure 2-76.  Composition 2
4038T2C172AA
Feed Roller Paper Take-Up Sensor (PC9-PC)Vertical Transport Sensor 
(PC8-PC)
Vertical Transport 
Roller/2
4038T2C127AA
Feed Roller
Separation Roller
4037T2C532AA
Paper Empty Sensor 
(PC6-PC) Paper Feed Motor (M1-PC) Vertical Transport...

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating principle of Option mechanism 86
Confidential2.3.1.2  Drive
Figure 2-77.  Drive overview
PAPER SUPPLY LEVEL DETECTION CONTROL†
Paper supply level is indicated in the window of the Cassette Front Cover. 
(Only for the Optional Cassette)
†
When the Paper Lifting Plate goes up, in conjunction with its position, the 
Red Lever appears in the window. Red area appeared in the window 
indicates paper supply level, and their relationship is as...

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating principle of Option mechanism 87
ConfidentialNote H : Blocking
L : Unblocking
Figure 2-80.  Paper size detection control
Table 2-12.  Paper size detection control (Optional Cassette)
Paper Size
Optional Cassette
Paper Size Board (PWB-I)
Optional Cassette 
CD Size Sensor/1
(PC4-PC)
Optional Cassette 
CD Size Sensor/2
(PC3-PC)
SW1
SW2
SW3
SW4
A3
ONON/
OFFON ON H L
B4 ON ON ON OFF H L
A4R
OFFON/
OFFON ON L H
A4 ON/
OFFOFF OFF OFF H L
B5R...

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating principle of Option mechanism 88
ConfidentialPAPER LIFTING MOTION CONTROL†
When Tray is slid in„
When the Lift-Up Sensor (PC7-PC) of the Optional Cassette is 
unblocked (OFF) with the Optional Cassette being closed, the Lift-Up 
Motor (M3-PC) of the Optional Cassette will rotate to start lifting up 
the Paper Lifting Plate.
„
When the Lift-Up Sensor (PC7-PC) of the Optional Cassette is blocked 
(ON) after the Paper Lifting Plate starts...

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating principle of Option mechanism 89
Confidential2.3.2  Duplex Unit2.3.2.1  Composition
Figure 2-83.  Composition
Figure 2-84.  Paper Feed Path
4066T2C514DA
Transport section
Switchback section
4066T1J500DA
Switchback to Main Body
Paper is fed into the main body again 

EPSON AcuLaser C9200NRevision D
OPERATING PRINCIPLES      Operating principle of Option mechanism 90
Confidential2.3.2.2  DriveSWITCHBACK DRIVE
Figure 2-85.  Drive overview
TRANSPORT DRIVE
Figure 2-86.  Drive overview
4066T2C517DA
Paper Exit Roller/2Switchback Motor (M1 DU)
Main BodyDuplex Unit
Paper Exit Roller/1
Duplex Control Board 
(PWB-A DU)Duplex Unit Transport 
Motor (M2 DU)
Duplex Unit Transport Roller 1
Duplex Unit Transport Roller 2
Duplex Unit Transport Roller 3