6 - 42
Chapter 6 Principles of Operation
Epson AcuLaser C2900N
Revision B
Confidential
3.9 Electrical
3.9.1 Major functions
-
FAN (PL8.1.1)
Dissipates heat out of the printer to prevent the printer from overheating.
-
SWITCH
The SWITCH turns ON/OFF the AC power supply of the printer.
-
Low Voltage Power Supply (LVPS:PL8.2.1)
The LVPS is provided in two types, 120V and 240V.
Supplies AC power from the power source to the Fuser Unit heater and generates and supplies sta-
ble low voltage DC power used for the logic circuit, etc.
LVPS contains control circuit for the heater of the Fuser Unit, in addition to the power circuit.
-
Machine Control Unit (MCU:PL8.2.13)
Controls printing operation based on the communication with the print controller and information
from the sensor/switch.
Major functions are as follows:
• Communication with the ESS.
• Receive of information from the sensors or switches.
• Control of Motor in DRIVE ASSY MAIN and DRIVE ASSY SUB.
• Distributing low voltage DC power output from LVPS to each component
• Control of ROS ASSY
-
High Voltage Power Supply (HVPS:PL4.1.19)
Supplies high voltage to the following parts in the TRANSFER ASSY and Developer to perform
charging, development, and primary transfer.
• BCR
• BTR
• Developer
-
PWBA EEPROM (PL8.2.16)
Information unique to the printer is stored.
-
Electronic Sub System (ESS:PL8.1.7)
The ESS connected to the MCU controls the entire system (Diagnostic, Interface and Image pro-
cessing).
-
HUMIDITY SENSOR (SENSOR HUM:PL8.2.7)
HUMIDITY SENSOR reads the temperature/humidity within the printer and converts the values to
voltage values.
-
OPERATOR PANEL (CONSOLE ASSY PANEL:PL1.2.3)
OPERATOR PANEL displays the state of the printer using LED.
-
INTERLOCK SWITCH (HARN ASSY INTERLOCK:PL8.2.5)
INTERLOCK SWITCH is a switch that cuts the +24VDC power supply to the HVPS or Motor, etc.
upon the opening of the Front Cover.
Содержание AcuLaser C2900N
Страница 12: ...Confidential CHAPTER 1 Troubleshooting ...
Страница 144: ...1 131 Chapter 1 Troubleshooting Epson AcuLaser C2900N Revision B Confidential Chart Parallelism Perpendicularity ...
Страница 202: ...Confidential CHAPTER 2 Operation of Diagnostic ...
Страница 253: ...Confidential CHAPTER 3 Removal and Replacement Procedures ...
Страница 497: ...Confidential CHAPTER 4 Plug Jack P J Connector Locations ...
Страница 508: ...Confidential CHAPTER 5 Parts List ...
Страница 555: ...Confidential CHAPTER 6 Principles of Operation ...
Страница 567: ...6 10 Chapter 6 Principles of Operation Epson AcuLaser C2900N Revision B Confidential Kmy06007KA ...
Страница 630: ...Confidential CHAPTER 7 Wiring Diagrams and Signal Information ...
Страница 660: ...Confidential CHAPTER 8 Product Specifications ...
Страница 673: ...8 12 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential Panel Settings ...
Страница 674: ...8 13 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential ...
Страница 675: ...8 14 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential PCL Fonts List ...
Страница 676: ...8 15 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential PCL Macros List ...
Страница 677: ...8 16 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential PS Fonts List ...
Страница 678: ...8 17 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential Job History Report ...
Страница 679: ...8 18 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential Error History Report ...
Страница 680: ...8 19 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential Print Volume Report ...
Страница 681: ...8 20 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential Color Regi Chart ...