Epson M2000 Service Manual

EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BPRODUCT DESCRIPTION      Product Specifications 121.1.4  Controller SpecificationsBASIC SPECIFICATIONS
EXTERNAL INTERFACES
Figure 1-6.  External Interfaces
CPU VR5500 (300MHz)Enhanced Technology RIT (NICE)RAM Standard (on-board) Standard model: 32MB
Network model: 64MB
Maximum Standard model: 288MB
Network model: 320MB
Expansion Type SDRAM 90pin DIMM
(64MB, 128MB, 256MB)
Numbers of slot 1 slot
ROM Type 16-bit width (3.3V)
Program 16MBFont Included in...

EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BPRODUCT DESCRIPTION      List of Printer Messages 131.2  List of Printer MessagesThe following table shows the printer’s LEDs indications in each printer status. The meanings of the symbols used in the table are as follows.
„
O:Lights
„
---: Lights or flashes depending on the condition
„
X: Off
„
Δ1: Flashes on and off at intervals of 0.3 seconds
„
Δ2: Flashes on and off at intervals of 0.6 seconds
„
Δ3: Flashes on for 0.6 seconds and off for 2.4...

EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BPRODUCT DESCRIPTION      List of Printer Messages 14Warning
Reserve Job Canceled
X
Δ1
---
---
---
---
Form Data Canceled
X
Δ1
---
---
---
---
Cant Print
X
Δ1
---
---
---
---
Collate Disabled
X
Δ1
---
---
---
---
Image Optimum
X
Δ1
---
---
---
---
Check Paper Type
X
---
---
Δ1
---
---
Need Memory
X
Δ1
---
---
---
---
Toner Low
X
---
Δ1
---
---
---
Worn Main unit
Δ3
---
X
---
---
---
NonGenuineToner
X ---
Δ3
--- --- ---
Table 1-7.  List of Printer...

CHAPTER
2
OPERATING PRINCIPLES 

AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BOPERATING PRINCIPLES      Electrical parts layout 162.1  Electrical parts layoutPOWER WRITING BOARDS
Figure 2-1.  Power Writing Boards
1. Main Board Assy.
„
Main controller section: 
 
Controls the software such as the print data processing and provides the interface with computers.
„
Engine section: 
 
Controls printer hardware such as high voltage/bias output control, paper conveying system control, and fuser temperature control, etc.
2. LVPS
 
After...

AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BOPERATING PRINCIPLES      Electrical parts layout 17SWITCHES AND SENSORS
Figure 2-2.  Switches and sensors
1. Power switch
 
Turns ON/OFF the AC power source.
2. Interlock switch
 
Shuts off 24 V DC power line when the top cover is opened.
3. Cassette switch
 
Detects open/close cassette.
4. Registration sensor
 
Detects the timing of primary paper feed.
5. Paper sensor
 
Detects the presence of paper in the cassette.
6. MP paper sensor
 
Detects the...

AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BOPERATING PRINCIPLES      Electrical parts layout 18OTHER ELECTRICAL COMPONENTS
Figure 2-3.  Other electrical components
1. Main motor
 
Drives the paper feed/conveying section and fuser unit.
2. Polygon motor
 
Drives the polygon mirror.
3. Right cooling fan motor
Cools the interior of machine.
4. Left cooling fan motor
Cools the interior of machine.
5. Registration clutch
 
Controls the secondary paper feed.
6. Paper feed clutch
 
Controls the paper...

AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BOPERATING PRINCIPLES      Electrical parts layout 19OPTION PAPER FEEDER
Figure 2-4.  Option Paper Feeder
1. PF Main Board
 
Controls electrical components in the paper feeder and serial communications with the printer.
2. PF paper sensor
 
Detects the presence of paper in the cassette.
3. PF cassette switch
 
Detects the existence of the cassette.
4. PF paper feed sensor
 
Detects paper jam in the paper feeder.
5. PF paper feed motor
 
Drives the paper...

AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BOPERATING PRINCIPLES      Technical Explanation of Print Process 202.2  Technical Explanation of Print Process2.2.1  ChargingDRUM SECTIONThe durable layer of organic photoconductor (OPC) is coated over the aluminum cylinder base. The OPC tend to reduce its own electrical conductance when exposed to light. After a cyclic process of charging, exposure, and development, the electrostatic image is constituted over the OPC layer. Since the OPC is materialized...

AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision BOPERATING PRINCIPLES      Technical Explanation of Print Process 212.2.2  ExposureLASER SCANNER UNIT (LSU)The charged surface of the drum is then scanned by the laser beam from the laser scanner unit.
 
The laser beam (780 nm wavelength) beam is dispersed as the polygon motor revolves to reflect the laser beam over the drum. Various lenses and mirror are housed in the laser scanner unit, adjust the diameter of the laser beam, and focalize it at the drum...