SP C840DN/SP C842DN
Detailed Descriptions
Electrical parts
Board Outline
OPU
Controls the control panel.
This machine is equipped with the 2nd generation Smart Operation Panel.
Expand All
Read This First
Symbols, Abbreviations and Trademarks
Symbols, Abbreviations
Trademarks
Product Information
Product Overview
Component Layout
Paper Path
Drive Layout
Machine Codes and Peripherals Configuration
Main Machine
Options
Diagram
Specifications
Installation
Installation Requirements
Environment
Machine Level
Machine Space Requirements
Machine Dimensions
Power Requirements
Input voltage level
Who Installs the Peripherals and Options
Main Machine Installation
Installation Flow Chart
Accessory Check
Installation Procedure
Removal of Packing Materials and Shipping Retainers
Pulling out the Feeler of the Paper Exit Full Sensor
Checking the Position of the Paper Exit Feeler
Attaching the I/F Connection Cover
Attaching the Decals
Toner Bottle Installation and Toner Initialization
Image Quality Test / Settings
Before Test
Loading Paper
Paper Settings
Color Registration and Color Calibration
Checking the Print Image with the Test Print
HDD Security Function Settings
Settings Relevant to the Service Contract
Auto Remote Firmware Update (ARFU) Settings
Specifying the Time and Day of the Week to Prohibit Updating via Web Image Monitor
Moving the Machine
Security Settings
Configuring Administrator Authentication
Security Function Installation
Data Overwrite Security
Before You Begin the Procedure
Installation Procedure
Using Auto Erase Memory
HDD Encryption
Before You Begin the Procedure:
Installation Procedure:
Enable Encryption Setting
Check the Encryption Settings
Backing Up the Encryption Key
Encryption Key Restoration
Anti-Condensation Heater (PCDU)
Accessory Check
Installation procedure
Anti-Condensation Heater for Paper Feed Trays
Accessory Check
Connecting to Main Machine Tray
Connecting to Paper Feed Unit PB3240
Connecting to Paper Feed Unit PB3250
Connecting to LCIT PB3260
Connecting the Heaters when Using a Stack of Five Paper Trays
Overview
Installation Procedure
Paper Feed Unit Combinations
Connection Diagram
Connection Patterns
Paper Feed Unit PB3240 (M494-17, -21)
Accessory Check
Installation procedure
Installing a Stack of Five Paper Trays
Overview
Installation Procedure
Paper Feed Unit PB3250 (M495-17, -21)
Accessory Check
Installation Procedure
LCIT PB3260 (M496-17, -27, -21)
Accessory Check
Installation procedure
Changing the paper size
LCIT RT3030 (D696-17, -27, -21)
Accessory Check
Installation procedure
Changing the Paper Size
Banner Paper Guide Tray Type M19 (D3BF-00)
Component Check
Installation Procedure
Bridge Unit BU3070 (D685-18, -22)
Accessory Check
Installation procedure
Internal Multi-fold Unit FD3000 (M482-17, -21)
Accessory Check
Installation Procedure
When Attaching a Finisher Downstream from the Internal Multi-Fold Unit
Finisher SR3230 (D3BA-17, -21)
Accessory Check
Installation Procedure
Attaching a Support Tray
Output Jogger Unit Type M25 (D3CJ-01)
Accessory Check
Installation Procedure
Punch Unit PU3060 (D706-00, -01, 02, -03)
Accessory Check
Installation Procedure
Booklet Finisher SR3220 (D3B9-17, -21)
Accessory Check
Installation Procedure
Attaching a Proof Support Tray
Finisher SR3210 (D3B8-17, -21)
Accessory Check
Installation Procedure
Attaching a Proof Support Tray
Stapleless Stapler Initial Settings
How to change the setting of Staple Method for Stapleless Stapler
How to set Margin Erase for Stapleless Stapler
Punch Unit PU3050
Accessory Check
Installation Procedure
Mail Box CS3010 (M481-17)
Accessory Check
Installation Procedure
Removal of the Machine Exterior
Transferring the Operation Panel
Installation of the Mailbox
Installation of Stabilizers
Attention Light AL3000 (M500-36)
Component Check
Installation Procedure
Indicator Behavior
Imageable Area Extension Unit Type P11 (M500-49)
Component Check
Installation Procedure
When You Forgot to Change the SP
NFC Card Reader Type P11 (M512-18)
Accessory Check
Installation Procedure
External NFC Card Reader Bracket Type P11 (M512-17)
Accessory Check
Installation Procedure
Procedure for Connecting to the Operation Panel USB Slot
Procedure for Connecting to the Main Machine USB Slot
Internal Options
HDD Option Type P11 (M500-51)
Component Check
Installation Procedure
USB Device Server Option Type M19 (D3BC-28,-29)
Component Check
Interface Board Surface
Installation Procedure
What Do the LED Indications Mean?
IP Address Setting
Extended USB Board Type M19 (D3BS-01)
Component Check
Installation Procedure
IEEE 1284 Interface Board Type M19 (D3C0-17)
Accessory Check
Installation Procedure
IEEE 802.11a/g/n Interface Unit Type M19 (D3BR-01)
Accessory Check
Installation Procedure
Attaching the boards
Attaching the Antenna
User Tool Settings for IEEE 802.11a/g/n
SP Mode Settings for IEEE 802.11 Wireless LAN
SD Card Options
SD Card Slots
List of Slots Used
SD Card Appli Move
Overview
Move Exec
Undo Exec
VM Card Type P8 (M500-09, 10, 11)
Accessory Check
Installation Procedure
IPDS Unit Type P11 (M500-45, -46, -47)
Accessory Check
Installation Procedure
XPS Direct Print Option Type P11 (M500-42, -43, -44)
Accessory Check
Installation Procedure
Camera Direct Print Card Type M19 (D3BD-13)
Accessory Check
Installation Procedure
PostScript3 Unit Type P11 (M500-63, -64, -65)
Accessory Check
Overview of PostScript3 Unit Type P11 (Adobe PS)
Installation procedure (Adobe PS)
Initial Settings for the Printer Driver
Switching back to Clone PS from Adobe PS
@Remote Settings
Preventive Maintenance
PM Parts Settings
Replacement Procedure of the PM Parts
Method 1: By SP3701
Method 2: By [PM Counter / New Unit Set] Menu
After Installing the New PM Parts
SP descriptions
Preparation Before Operation Check
SP Descriptions
Operation Check
PM Parts List
Replacement and Adjustment
Notes on the Main Power Switch
Push Switch
Characteristics of the Push Switch (DC Switch)
Shutdown Method
Forced Shutdown
Beforehand
Special Tools
Exterior Covers
Overview
Front and Rear Side Covers
Left and Right Side Covers
Paper Exit Covers/Top Covers
Inner Covers
Quick Reference for Removing Covers
Front Cover
Front Upper Cover
Main Power Switch Cover
Waste Toner Cover
Controller Cover
Left Upper Cover
Left Rear Cover
Left Cover
Rear Left Cover
Rear Cover
Rear Lower Cover
Right Rear Cover
Right Upper Cover
Paper Exit Tray
Paper Exit Cover
Paper Exit Lower Cover
Paper Exit Front Cover
Top Right Cover
Top Rear Cover
Inner Upper Cover
Inner Lower Cover
Smart Operation Panel
Operation Panel Unit
Internal Parts
USB Cable
Laser Unit
Laser Unit
Before Replacement
Removing
Installing a New Laser Unit
What to Do after Replacing the Laser Unit
Polygon Mirror Motor
What to Do after Replacing the Polygon Mirror Motor
SP descriptions
PCDU
Notes when replacing a PCDU
For SP C840DN
For SP C842DN
Attaching the Spring after Mistakenly Releasing the Spring Pressure
PCDU
Replacement
What to Do after Replacing the PCDU
Imaging Temperature Sensor (Thermistor)
Waste Toner
Waste Toner Bottle
Before Replacing the Waste Toner Bottle
Replacement Procedure
Image Transfer Unit
Image Transfer Belt Unit
What to Do before Replacing the Image Transfer Belt
Replacement
Image Transfer Front Cover, Image Transfer Top Cover
Image Transfer Cleaning Unit
What to Do before Replacing the Image Transfer Cleaning Unit
Replacement
Image Transfer Belt
Attaching the Belt
What to do After Replacing the Image Transfer Belt
Paper Transfer Roller
When reinstalling the paper transfer roller
Paper Transfer Roller Unit
What to Do before Replacing the Paper Transfer Roller Unit
Replacement
Fusing Entrance Sensor
TM/ID Sensor
Before Replacing the TM/ID sensor
Replacement procedure
Adjustment after replacing the TM/ID sensor
Temperature and Humidity Sensor
ITB Contact and Release Sensor
Image Transfer Lock Unit
Installing the Image Transfer Lock Unit
Drive Unit
Overview
Paper Feed Motor
Transport Motor
Paper Transfer Contact and Release Motor Unit
Imaging Drive Unit
PCU Motor: CMY
Development Motor: CMY
Development Motor: Black
PCU: Black / ITB Drive Motor
Registration Motor
Fusing Motor
Paper Exit / Pressure Release Motor
Duplex Entrance Motor
Toner Supply Motor
Sub Hopper
K
C
M
Y
Toner End Sensor
Toner Duct
Toner Bottle Drive Motor
K
C
M
Y
ID Chip Contact Board
K
C
M
Y
Transport Coil
Y
M
C
K
Fusing Unit
Fusing Unit
Fusing Entrance Guide Plate
Cleaning the Fusing Entrance Guide Plate
Fusing Exit Guide Plate
Cleaning the Fusing Exit Guide Plate
Fusing Upper Cover
Fusing Lower Cover
Fusing Sleeve Belt Unit
What to Do before Replacing the Fusing Sleeve Belt Unit
Replacement
Pressure Roller
What to Do before replacing the pressure roller
Replacement
Fusing Sleeve Thermostat Unit
Non-Contact Thermistor
Pressure Roller Thermistor
Thermopile Unit
Pressure Roller HP Sensor
Fusing Shield Position Sensor
Fusing Shield Drive Motor
Fusing Exit Drive Solenoid
Paper Exit
Paper Exit Unit
Re-installing the Paper Exit Unit
Paper Exit Switching Solenoid
Paper Exit Sensor
Reverse Sensor
Paper Exit Full Sensor
Reverse Motor
Fusing Exit Sensor
Inverter Guide
Inverter Guide Cover Sensor
Paper Feed
Paper Feed Unit
1st Paper Feed Unit
2nd Paper Feed Unit
Paper Dust Collection Unit
Pick-up Roller, Paper Feed Roller, Separation Roller, Torque Limiter
1st Tray Lift Motor, 2nd Tray Lift Motor
Paper Feed Sensor
Transport Sensor
Upper Limit Sensor
Paper End Sensor
Registration Sensor
Bypass Tray Unit
Bypass Tray
Bypass Paper End Sensor
Bypass Pick-up Roller
Bypass Paper Feed Roller
Bypass Separation Roller/Torque Limiter
Bypass Width Sensor
Bypass Length Sensor
Duplex Unit
Duplex Unit
Duplex/Bypass Motor
Duplex Entrance Sensor
Duplex Exit Sensor
Electrical Components
Overview
Printed Circuits/Parts inside the Controller Box
Printed Circuits behind the Controller Box
Printed Circuit/Parts inside the Power Box
Printed Circuits behind the Power Box
Controller Box Cover
Controller Bracket
Opening the Controller Box
IPU
BCU
When installing the new BCU
Replacing the NVRAM (EEPROM) on the BCU
Controller Board
Replacing the NVRAMs on the Controller Board
HDD
What to do After Replacing the HDD
Imaging IOB
HVP
PSU (AC Controller Board)
PSU (DC Power)
Paper Transport IOB
HVP-CB
HVP-CB with Bracket
Fans/Filters
Ozone filter/Dust filter
What to do Before Replacing the Dust Filter
Replacement
Deodorization Filter
Development Intake Fan
Ozone Exhaust Fan
Paper Exit Cooling Fan
Fusing Exhaust Fan
Drive Cooling Fan
Toner Supply Cooling Fan
Main Exhaust Fan
PSU Cooling Fan
Controller Box Cooling Fan
Test Pattern Printing
Image Adjustment
Color Calibration
Registration
Erase Margin Adjustment
Adjusting the Tone of the Printed Image
Adjustment by Changing the Printer Driver Setting
Opening the Printer Driver's "Color Balance Details" Window
Color Balance Details Window
Adjusting the Tone in the "Color Balance Details" Window
Adjustment Examples
Adjustment by Changing the Machine's Profile Setting
Procedure to Change the Profile Setting
Patterns and Tendency of the Tone for Each Profile
Printer Gamma Correction
Color Registration
Check the occurrence of color registration errors
Judgment for type of color registration error
System Maintenance
Service Program Mode
Entering SP Mode
Exiting SP Mode
Types of SP Modes
SP Mode Button Summary
Selecting the Program Number
Service Mode Lock/Unlock
Remarks
Others
SP Tables
Firmware Update (SD Card)
Overview
Firmware Type
Procedure
Preparing the SD Card
Update Procedure
Error Screens During Updating
Firmware Update (Remote Firmware Update)
RFU Performable Condition
Firmware Update (Smart Firmware Update)
Overview
Immediate Update
Update at the Next Visit (Reserve)
How to Set the Machine to Download Firmware Later (Reserve)
How to Check if the Firmware Downloaded with Reserve
How to Install Firmware Downloaded with Reserve
Update via SD Card
Firmware Update (Auto Remote Firmware Update)
Overview
Downloading and Updating Process
Downloads the Latest Package
Judgement of ARFU
Update Process
Checking the ARFU Result
Checking the Result Using the Logging Data
Related SP
Updating JavaVM
Overview
Deactivating SDK Applications and Removing the VM Card
Operation from Operation Panel
Operation from Web Image Monitor
Updating JavaVM and Inserting the VM Card
Activating SDK Applications
NVRAM Data Upload/Download
Uploading Content of NVRAM to an SD card
Downloading an SD Card to NVRAM
Address Book Upload/Download
Information List
Download
Upload
Capturing the Device Logs
Overview
Security of the Operation Log
Storing the Device Logs on an SD card (SP C840DN without option HDD only)
Retrieving the Device Logs via Operation Panel
Procedure for Retrieving the Device Log with SD Card
Retrieving the Device Logs via Web Image Monitor
SMC List Card Save Function
Overview
Procedure
Notes on Using the SMC List Card Save Function
File Names of the Saved SMC Lists
Error Messages
UP/SP Data Import/Export
Outline
UP Data Import/Export
Data that Can Be Imported and Exported
Data that Cannot Be Imported or Exported
Exporting Device Information
Importing Device Information
SP Data Import/Export
Data that can be imported and exported
Exporting Device Information
Importing Device Information
Possible solutions for import/export problems
Card Save Function
Overview
Card Save
Procedure
Error Messages
Troubleshooting
Self-Diagnostic Mode
SC Automatic Reboot
Controller Self-diagnosis Outline
Controller Self-diagnosis Flowchart
HDD-related Message
Service Call Conditions
Summary
SC Logging
List of Automatic Reboot Target SC
Engine SC
Controller SC
SC Code Classification
Service Call 195
SC100 (Engine: Serial Number)
Service Call 202-285
SC200 (Engine: Image Writing)
Service Call 312-396
SC300 (Engine: Charge, Development)
Service Call 441-498
SC400 (Engine: Around the Drum)
Service Call 501-584
SC500 (Engine: Paper transport 1: Paper Feed, Duplex, Transport)
SC500 (Engine: Fusing)
Fusing Sleeve (Center) Error (SC54*-**)
Fusing Sleeve (Edge) Error (SC55*-**)
Pressure Roller Thermistor (Center) Error (SC56*-**)
Pressure Roller Thermistor (Edge) Error (SC57*-**)
Pressure Roller Thermistor (Full-Bleed Edge) Error (SC58*-**)
Service Call 620-689
SC600 (Engine: Communication and Others)
SC600 (Controller)
Service Call 700-792
SC700 (Engine: Peripherals)
Service Call 816-899
SC800 (Controller)
Service Call 900-998
SC900 (Engine: Others)
SC900 (Controller)
Troubleshooting for SC Errors
When SC285-02 (MUSIC Error) is Displayed
Cause
Solution
When SC370 (TM (ID) Sensor Calibration Error) is Displayed
Cause
Solution
Recovery Check Procedure
Adjustment after Recovery
When SC501, SC502, SC503, or SC504 (Paper Tray Error) is Displayed
Solution
When SC544-02, SC554-02 (Non-contact Thermistor High Temperature Detection) Is Displayed
How to Clear SC544-02/SC554-02 with a New Unit Detection Fuse
When SC549 (Shield Operation Error Detection) is Displayed
Troubleshooting Flowchart
Fusing Shield Check
Isolation Diagram of SC663, 664, 665, 667, 668, and 670-01
When SC670 (Engine start up error) is Displayed
Cause
Solution
When SC672 (Controller start up error) is Displayed
Symptom
Cause
Solution
[A]: LEDs on the controller board
[B]: Abnormal mode: LEDs on the controller board
[C]: Reconnecting and replacing the USB cable
[D]: Replacing the Memory
[E]: CMOS clear
[F]: Fuse on the IPU
[G]: Replacing the USB cable and the operation panel
Jam Detection
Jam Display
Clearing a Paper Jam
Paper Jam History
How to Check a Paper Jam
Paper Jam Display
Jam Codes and Display Codes
Paper Size Code
Sensor Locations
Troubleshooting for Transport/Paper Feeding of the Machine
Curled Paper
Initial Jam
Initial Jam: Cause Code 001 / Location Code A
Initial Jam: Cause Code 001 / Location Code B
Initial Jam: Cause Code 001 / Location Code C
Initial Jam: Cause Code 001 / Location Code Z
Jam
Tray 1 No Feeding: Late Jam: Cause Code 003
Tray 2 No Feeding: Late Jam: Cause Code 004
Bypass No Feeding: Cause Code 008
Tray 1 Transport Sensor: Late Jam: Cause Code 011
Tray 2 Transport Sensor: Late Jam: Cause Code 012
Registration Sensor: Late Jam: Cause Code 017
Fusing Entrance Sensor: Late Jam: Cause Code 018
Fusing Exit Sensor: Late Jam: Cause Code 019
Paper Exit Sensor: Late Jam: Cause Code 020
Tray 1 Transport Sensor: Lag Jam: Cause Code 051
Tray 2 Transport Sensor: Lag Jam: Cause Code 052
Registration Sensor: Lag Jam: Cause Code 057
Paper Exit Sensor: Lag Jam: Cause Code 060
Reverse Sensor: Late Jam: Cause Code 024
Reverse Sensor: Lag Jam : Cause Code 064
Duplex Exit Sensor: Late Jam: Cause Code 025
Duplex Exit Sensor: Lag Jam: Cause Code 065
Duplex Entrance Sensor: Late Jam: Cause Code 027
Duplex Entrance Sensor: Lag Jam: Cause Code 067
Duplex Not Feeding: Cause Code 009
Bypass Transport Sensor 1: Lag Jam: Cause Code 048
Display Error
"No paper in Tray 1" is displayed even when there is paper
"No paper in Tray 2" is displayed even when there is paper
"Tray 1 not set" is displayed even when the tray is set
"Tray 2 not set" is displayed even when the tray is set
Wrong paper size displayed on the operation panel
Does not shift to right door open status
Cannot detect paper exit full
Cannot print as paper exit full alert cannot be turned off
Others
"Replace the waste toner bottle" is displayed even when it is clear that the waste toner bottle is not full
Waste toner bottle is never full
No waste toner bottle set is displayed on controller board even when it is clear that is set
Waste toner bottle is not detected even when it is set
Paper Transfer Unit Open/Closed LED not lit & Paper Transfer Unit Open
Paper Transfer Unit Open/Closed LED not lit
Paper Transfer Unit Open/Closed LED always lit
Troubleshooting for Finishing Options
Finisher Registration Adjustment
For Finisher SR3230
For Booklet Finisher SR3220 or Finisher SR3210
Finisher Jogger Problem for Booklet Finisher SR3220 or Finisher SR3210
Maximum number of sheets for stapling and what happens when the job has too many pages
Specifications: Maximum Sheet Capability for Staple Jobs
Behavior: When the number of sheets exceeds the maximum staple capability
Select the behavior when the job has more than the maximum of staple capability with SP5199
Electrical Component Defects
Fuses
Image Quality Problems
When an Abnormal Image is Generated
Other Troubleshooting
When Abnormal Noise Occurs
Checking Abnormal Noise from the Fusing Unit
Operation Check Procedure for the Toner Supply Motor and Toner Bottle Drive Motor
When Fluorescent/LED Lamps Flicker
Detailed Descriptions
Guidance for Those Who are Familiar with Predecessor Products
Component Layout
Laser Exposure Unit
Image Transfer Unit
PCDU
Toner Supply, Waste Toner Bottle
Paper Feed Unit
Duplex Unit
Bypass Unit
Fusing Unit
Paper Transfer, Paper Exit
Air Flow
Drive Unit
Boards, Switches
Laser Exposure
Overview
Parts Construction
Mechanism
LD Drive Board
LD Safety Switch
Circuit Diagram
Line Scanning Mechanism
Process Control
Mechanism
Sensor Construction
Outline of the ID Sensors
Outline of the TD sensor
Process Control
Outline
Result Code for Executing Process Control
Process Control Procedure
Electrified Potential / Development Bias, Vref Correction
LD Power Control
Toner Supply Control
Developer Initialization
MUSIC (Automatic Color Registration Correction)
Correction Timing
Executing MUSIC Manually
Contact MUSIC (SP2-111-004)
MUSIC Error Judgment
Real Time Process Control
IBACC
Outline
Operation Timing
Patch Pattern
SP Descriptions
PCDU (Photo Conductor and Development Unit)
Overview
Mechanism (PCU)
Drum Drive
Charge
Drum Cleaning
Mechanism (Development)
Development System
Agitation System
TD (Mu) Sensor
Pressure Release Filter
Development Drive
Development Bias
Toner Supply
Overview
Mechanism
Toner supply (Toner Bottle - Sub-hopper)
Toner bottle ID chip
Toner supply (Sub-hopper - Development Unit)
Drive
Toner Near End/End Detection
SP Descriptions
Waste Toner
Overview
Mechanism
Waste Toner Bottle Set Detection
Waste Toner Drive
Waste Toner Recovery Path (PCU/Image Transfer Unit)
Waste Toner Bottle Full Detection
Image Transfer and Paper Transfer
Overview
Image Transfer Unit
Paper Transfer Unit
Image Transfer Unit Mechanism
Drive Mechanism
Transfer Bias
ITB Contact and Release
Image Transfer Belt Drive Control
Image Transfer Sequence
Unit Configuration: Changes from Met-C2
Image Transfer Belt Cleaning Mechanism
Paper Transfer Unit Mechanism
Paper Transfer Mechanism
PTR (Paper Transfer Roller) Drive
PTR (Paper Transfer Roller) Contact and Separation
Separation
TM/ID Sensor
Paper Feed / Transport
Overview
Feed /Transport Mechanisms
Tray Base Plate Lift
Paper Feed Mechanism
Paper Feed Transport Mechanism
Paper Size Detection (1st Paper Feed Tray)
Paper Size Detection (2nd Paper Feed Tray)
Remaining Paper Detection
Paper End Detection
Paper Feed Drive
Paper Dust Removal Mechanism
Tray Draw-in Mechanism
Bypass Feed Section
Bypass Feed Paper/Separation Mechanism
Bypass Feed Paper Size Detection
Bypass Feed Paper End Detection
Bypass Paper Feeder Drive
Duplex Section
Transport Inversion Mechanism
Duplex Drive
Interleave Mechanism
Paper Exit Unit
Delivery Location Change-over
Paper Exit Full Detection/Paper Exit Jam Detection
Drive/Sensor Layout
Transport Roller Drive Source
Gate/Pickup Arm Drive Source
Transport Paths Between Rollers
Sensor Position
Paper Exit Driven Roller and Paper Support Guide
Removing Wrinkling in the Tray
Fusing
Overview
Parts Layout
Mechanism
Fusing System
Temperature Control
Fusing Drive
Pressure Release Mechanism
Fusing Temperature Control
PPM Down Control
Curl Correction Mechanism
Fusing Unit Lock System
lncompatibility
Electrical parts
Block Diagram
Board Outline
Controller
LDB
BCU
IPU
IOB
OPU
HVP (composite high-voltage power supply TTS/CB)
PSU
Feed Tray Anti-condensation Heater and PCDU Anti-condensation Heater
Circuit Configuration
Exterior Cover/Air Flows (Fan Control)
Air Flows
Mechanism
Cooling of Toner Supply Parts
Cooling of PCDU Parts
Cooling of Fusing Parts
Cooling of Actuator
Cooling in Controller Box
Machine Control when Temperature Rises inside the Machine
Helmholtz Silencer
Energy Save
Energy Saver Modes
Setting Items that are Related to Energy Saving
Recovery Time/Reduced Electrical Consumption
Power States of this Machine
Verification of Up Time for each Energy Saving State
Checking the Up time by Device State
Recommendation
10 Second Recovery from Sleep Mode
Improving the Print Start Time under Low Temperature, Low Humidity, or at Low Voltage
Improving the Throughput at the Start of Printing, under Low Temperature, or at Low Voltage
Adobe PS vs. Clone PS
Overview
How to Distinguish Adobe PS from Clone PS
Difference in Device Fonts
Font Change Confirmation Screen
List of fonts and their replacements (Adobe PS -> Clone PS)
Differences in Driver Functions