For safe and correct use, be sure to read the Safety Information in
Read This First before using the machine.
TABLE OF CONTENTS
Manuals for This Machine................................................................................................................................. 3
List of Manuals.................................................................................................................................................... 5
1. Getting Started
Before You Start..................................................................................................................................................7
How to Read the Manuals.............................................................................................................................7
List of Options................................................................................................................................................. 9
Guide to Names and Functions of Components............................................................................................10
Guide to Components................................................................................................................................. 10
Guide to the Names and Functions of the Control Panel......................................................................... 16
Guide to the Names and Functions of the Control Panel Screen............................................................ 20
Turning On/Off the Power..............................................................................................................................26
Turning On the Power..................................................................................................................................26
Turning Off the Power..................................................................................................................................26
Displaying the Printer Configuration Screens Using the Control Panel........................................................29
Configuring Printer Settings from the [Menu] key......................................................................................29
Configuring Printer Settings from the [User Tools] key..............................................................................29
Monitoring and Configuring the Printer..........................................................................................................31
Using Web Image Monitor.........................................................................................................................31
2. Loading Paper
Paper Loading Procedure................................................................................................................................35
Paper Size Specifications................................................................................................................................ 36
Paper Type Specifications............................................................................................................................... 38
Paper Precautions.............................................................................................................................................40
Loading Paper into Paper Trays......................................................................................................................43
When Loading Paper Larger than A4 or 81/2 × 11................................................................................45
Loading Paper into the Bypass Tray............................................................................................................... 49
Loading Orientation-Fixed Paper or Two-Sided Paper................................................................................ 51
Printing on Envelopes with Windows (PCL 6/PostScript 3)..................................................................... 54
Printing on Envelopes with Windows (PCL 5c)..........................................................................................55
Printing on Envelopes with Mac OS X........................................................................................................56
1
Paper Settings...................................................................................................................................................57
Specifying a Paper Size.............................................................................................................................. 57
Specifying a Paper Type............................................................................................................................. 58
Configuring Envelope Settings Using the Control Panel...........................................................................59
3. Troubleshooting
When a Panel Tone Beeps.............................................................................................................................. 61
When Checking the Indicator Lamps, Status Icons, and Messages on the Control Panel.........................62
Checking Printer Status and Settings.......................................................................................................... 62
When the Indicator Lamp for the [Check Status] Key Is Lit or Flashing................................................... 64
If USB Connection Fails................................................................................................................................... 66
When Messages Are Displayed.....................................................................................................................67
Status Messages.......................................................................................................................................... 67
Alert Messages (Displayed on the Control Panel).................................................................................... 68
Alert Messages (Printed on Error Logs and Reports)................................................................................ 79
When You Cannot Print................................................................................................................................... 90
When the Data In Indicator Does Not Light Up or Flash..........................................................................93
Other Printing Problems................................................................................................................................... 94
When You Cannot Print Properly................................................................................................................94
Paper Misfeeds Occur Frequently........................................................................................................... 100
Read this manual carefully before using this machine.
Refer to the manuals that are relevant to what you want to do with the machine.
• The method for viewing the manual depends on the manual.
• Adobe® Acrobat® Reader®/Adobe Reader must be installed in order to view the manuals as PDF
files.
• A Web browser must be installed in order to view the HTML manuals.
User Guide
Summaries are provided below for the operating instructions regarding the basic usage of this
machine, frequently used functions, and troubleshooting when an error message appears.
Read This First
Before using the machine, be sure to read the "Safety Information" section of this manual. It
describes the regulations and environmental conformance.
Quick Installation Guide
Describes procedures from unpacking the machine to connecting it to a computer.
Operating Instructions
Provides detailed information about the operation of the machine in HTML format. The following
are the main topics of the manual:
• Getting Started
• Setting Up the Printer
• Loading Paper
• Printing
• Configuring and Managing the Printer
• Troubleshooting
• Maintenance and Specifications
Extended Feature Settings
Describes how to configure the extended features using the control panel or Web Image Monitor.
Security Guide
This manual is for administrators of the machine. It explains security functions that you can use to
prevent unauthorized use of the machine, data tampering, or information leakage. For enhanced
security, we recommend that you first:
• Install the Device Certificate.
• Enable SSL (Secure Sockets Layer) Encryption.
3
• Change the user name and password of the administrator using Web Image Monitor.
For details, see "Before Using This Printer", Security Guide.
Be sure to read this manual when configuring the enhanced security functions or user and
administrator authentication.
Driver Installation Guide
Explains how to install and configure the drivers.
4
List of Manuals
Manual Name
User GuideNoYesNo
Read This FirstYesNoNo
Quick Installation GuideYesNoNo
Operating InstructionsNoNoYes
Extended Feature SettingsNoNoYes
Security GuideNoYesNo
Driver Installation GuideNoYesNo
Printed Manual
Provided
PDF Manual
Provided
HTML Manual
Provided
5
6
1. Getting Started
This section describes the symbols used in the manuals supplied with the printer, available options, and
names and functions of components.
Before You Start
How to Read the Manuals
Symbols used in the manuals
This manual uses the following symbols:
Indicates points to pay attention to when using the machine, and explanations of likely causes of paper
misfeeds, damage to originals, or loss of data. Be sure to read these explanations.
Indicates supplementary explanations of the machine's functions, and instructions on resolving user
errors.
[ ]
Indicates the names of keys on the machine's display or control panels.
Indicates the key sequence order you should perform using the control panel.
Example:
Select [Host Interface] Press [OK]
(Select [Host Interface], and then press the [OK] key.)
(mainly Europe and Asia)
(mainly North America)
Differences in the functions of Region A and Region B models are indicated by the two symbols. Read
the information indicated by the symbol that corresponds to the region of the model you are using. For
details about which symbol corresponds to the model you are using, see page 8 "Model-Specific
Information".
Disclaimer
Contents of this manual are subject to change without prior notice.
7
DPP283
1. Getting Started
In no event will the company be liable for direct, indirect, special, incidental, or consequential damages
as a result of handling or operating the machine.
Notes
The manufacturer shall not be responsible for any damage or expense that might result from the use of
parts other than genuine parts from the manufacturer with your office products.
For good output quality, the manufacturer recommends that you use genuine toner from the
manufacturer.
Some illustrations in this manual might be slightly different from the machine.
About IP addresses
In this manual, "IP address" covers both IPv4 and IPv6 environments. Read the instructions that are
relevant to the environment you are using.
Model-Specific Information
This section explains how to identify the region to which your printer belongs.
There is a label on the rear of the printer, located in the position shown below. The label contains details
that identify the region to which your printer belongs. Read the label.
The following information is region-specific. Read the information under the symbol that corresponds to
the region of your printer.
(mainly Europe and Asia)
If the label contains the following, your printer is a Region A model:
• CODE XXXX -27
• 220–240 V
(mainly North America)
8
Before You Start
If the label contains the following, your printer is a Region B model:
• CODE XXXX -17
• 120–127 V
• Dimensions in this manual are given in two measurement units: metric and imperial. If your printer is
a Region A model, refer to the metric units. If your printer is a Region B model, refer to the imperial
units.
List of Options
This section provides a list of options for this printer and the names commonly used in this manual.
Option nameDescription
Paper Feed Unit TK1220500-sheet paper feed unit
Hard Disk Drive Option Type P10
*
Hard disk
IEEE 802.11 Interface Unit Type M24Wireless LAN interface board
IEEE 1284 Interface Board Type M19
USB Device Server Option Type M19
Camera Direct Print Card Type P10
VM CARD Type P10
*
XPS Direct Print Option Type P10
These options are available for SP 342DN.
*
*
*
*
IEEE 1284 interface board
USB device server board
Camera direct print card
VM card
*
XPS card
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DPP001
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1. Getting Started
Guide to Names and Functions of Components
Guide to Components
• Do not obstruct the machine's vents. Doing so risks fire caused by overheated internal
components.
Exterior: Front view
1. Standard tray
Output is stacked here with the print side down.
2. Control panel
For details, see page 16 "Guide to the Names and Functions of the Control Panel".
You can set the display up with your hands. Adjust the angle of it to see clearly.
10
DPP088
Guide to Names and Functions of Components
3. Front cover
Open this cover when replacing the waste toner bottle, etc., or removing jammed paper.
Pull the right side lever to open the front cover.
4. Top cover open lever
Pull this lever upward to open the top cover.
5. Remaining paper indicator
Indicates the approximate amount of paper remaining in the tray.
6. Standard paper feed tray (Tray 1)
Up to 500 sheets of plain paper can be loaded.
For details about the sizes and types of paper that can be used, see page 36 "Paper Size Specifications"
and page 38 "Paper Type Specifications".
7. Bypass tray
Up to 100 sheets of plain paper can be loaded.
For details about the sizes and types of paper that can be used, see page 36 "Paper Size Specifications"
and page 38 "Paper Type Specifications".
8. Main power switch
Use this switch to turn the power on and off.
Perform the shutdown procedure before turning the power off. For details about how to shut down the printer,
see page 26 "Turning Off the Power".
9. Outlet Ventilation Hole
This vents the air to prevent the temperature inside the printer from rising. Be sure not to block it by placing
something against it. Doing so will cause the temperature inside the printer to rise, resulting in a malfunction.
You can turn the ventilation hole to vent the air in a different direction.
10. Top cover
Open this cover to replace the print cartridge
11. Stop Fence (Legal-size prints)
Raise the rear fence to prevent Legal-size prints from falling behind the printer.
After using the stop fence, be sure to return it to its original position. The fence may be damaged if it is hit with
something or excessive force is applied.
11
DPP094
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DPP002
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1. Getting Started
12. Stop Fence (A4/Letter-size prints)
Raise the front fence to prevent A4 or letter-size prints from falling behind the printer.
After using the stop fence, be sure to return it to its original position. The fence may be damaged if it is hit with
something or excessive force is applied.
13. Standard Tray Extension
Use this to support sheets that come out curled after they are printed.
Flip open the extension by pushing down on the end that is toward the rear of the printer.
Exterior: Rear view
12
Guide to Names and Functions of Components
1. HDD cover
Remove this cover to install the optional hard disk.
2. Inlet Ventilation Hole
This draws in the air to prevent the temperature inside the printer from rising. Be sure not to block it by placing
something against it. Doing so will cause the temperature inside the printer to rise, resulting in a malfunction.
3. Power connector
Connect the power cord to the printer. Insert the other end into an electrical outlet.
4. Rear cover
Raise this cover and attach the paper tray cover when loading paper larger than A4 or letter size paper.
5. Cable cover
Remove this cover to install the optional interface units and the SD card, and to connect various cables.
6. Front cover open lever
Pull this lever to open the front cover.
7. USB port A
Connect external devices such as a digital camera, a card authentication device, etc.
8. USB port B
Use a USB cable to connect the printer to a computer.
9. Ethernet port
Use a network interface cable to connect the printer to a network.
10. Optional interface board slot
Optional interface boards can be inserted.
Insert an optional wireless LAN interface board, IEEE 1284 interface board, or USB device server.
11. Expansion card slots
Remove the cover to install SD cards.
13
2
DPP003
4
123
5
6
1. Getting Started
Interior: Front view
1. Print cartridge
Loads from the printer rear, in the order of cyan (C), magenta (M), yellow (Y), and black (K).
Messages appear on the screen when the print cartridge needs to be replaced, or a new cartridge needs to
be prepared.
For details about the messages that appear on the screen when consumables need to be replaced, see
"Replenishing and Replacing Consumables", Operating Instructions.
2. Fusing unit
Messages appear on the screen when the fusing unit needs to be replaced, or a new fusing unit needs to be
prepared.
For details about the messages that appear on the screen when consumables need to be replaced, see
"Replenishing and Replacing Consumables", Operating Instructions.
3. Transfer roller
If the message appears on the control panel, replace the transfer roller, which is included with the
intermediate transfer unit.
For details about the messages that appear on the screen when consumables need to be replaced, see
"Replenishing and Replacing Consumables", Operating Instructions.
Replace the transfer roller and the intermediate transfer unit together.
4. Paper Transfer Unit
Remove this unit when replacing the waste toner bottle, intermediate transfer unit.
5. Waste toner bottle
Collects toner that is wasted during printing.
14
1
DPP100
1
2
3
DPP004
Guide to Names and Functions of Components
Messages appear on the screen when the waste toner bottle needs to be replaced, or a new waste toner
bottle needs to be prepared.
For details about the messages that appear on the screen when consumables need to be replaced, see
"Replenishing and Replacing Consumables", Operating Instructions.
6. Intermediate transfer unit
Messages appear on the screen when the intermediate transfer unit needs to be replaced, or a new
intermediate transfer unit needs to be prepared.
For details about the messages that appear on the screen when consumables need to be replaced, see
"Replenishing and Replacing Consumables", Operating Instructions.
Guide to functions of the printer's internal options
15
1. Getting Started
1. Optional interface units
• Wireless LAN board
Allows you to communicate over wireless LAN.
• IEEE 1284 interface board (SP C342DN only)
Allows you to connect to an IEEE 1284 cable.
• USB device server (SP C342DN only)
Allows you to add an Ethernet port to the printer and use two IP addresses at the same time.
To attach this option, see "Installing the Interface Units", Operating Instructions.
2. SD memory card options (SP C342DN only)
• Camera direct print card
Allows you to directly print images taken with a PictBridge-compatible digital camera.
• VM card
With this card, you can install embedded software applications.
• XPS card
Allows you to print XPS files.
To attach this option, see "Installing SD Card Options", Operating Instructions.
3. Hard disk (SP C342DN only)
Allows you to store documents to be printed.
To attach this option, see "Installing the hard disk", Operating Instructions.
• If you want to use two or more SD cards that can be inserted in the same slot, contact your sales or
service representative.
Guide to the Names and Functions of the Control Panel
This illustration shows the control panel of the printer.
16
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DPP299
Guide to Names and Functions of Components
1. [Job Reset] key
Press to cancel the current print job.
2. [Switch Functions] key
Press this key to switch between the operation screen of the printer function and the function screens of the
extended features currently in use.
3. Display
Displays current printer status and error messages.
Entering energy saver mode turns off the back light. For details about energy saver mode, see page 27
"Saving Energy".
4. Scroll keys
Press these keys to move the cursor in each direction.
When the [ ] [ ] [ ] [ ] keys appear in this manual, press the applicable key for the direction that you want
to move the cursor.
5. [Escape] key
Press this key to cancel an operation or return to the previous display.
6. [Suspend/Resume] key
Press this to suspend the print job currently being processed. The indicator remains lit as long as the job is
suspended.
To resume the job, press this key again. The suspended job will resume automatically when the time specified
in [Auto Reset Timer] elapses (default: 60 seconds).
For details about the [Auto Reset Timer] setting, see "Timer Settings (SP C340DN)", Operating Instructions.
7. Power indicator
Lights up when the printer is ready to receive data from a computer. Flashes when the printer is warming up or
receiving data. It is unlit when the power is off or when the printer is in energy saver mode.
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DPP101
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1. Getting Started
8. Alert indicator
Lights up or flashes when a printer error occurs.
Steady red: printing is not possible, or is possible but print quality cannot be ensured.
Flashing yellow: the printer will soon require maintenance or a replacement consumable such as print
cartridge.
Follow the instructions that appear on the display.
9. [Menu] key
Press this key to configure and check the current printer settings.
Press to change the default settings to meet your requirements. See page 29 "Displaying the Printer
Configuration Screens Using the Control Panel".
10. Data in indicator
Flashes when the printer is receiving data from a computer. The data in indicator is lit if there is data to be
printed.
11. Selection keys
Correspond to the function items at the bottom line on the display.
Example: When this manual instructs you to press [Option], press the selection key on the left below the initial
screen.
12. [OK] key
Use this key to confirm settings or setting values, or move to the next menu level.
13. Light sensor
The sensor that detects the ambient light level when the ECO Night Sensor function is enabled.
18
Guide to Names and Functions of Components
1. Display panel
Displays function keys, operation status, and messages. See page 20 "Guide to the Names and Functions of
the Control Panel Screen".
2. Light Sensor
Indicates that the sensor that detects the ambient light level when the ECO Night Sensor function is enabled.
3. [Home] key
Press to display the [Home] screen. For details, see page 22 "Using the [Home] screen".
4. [Suspend] key
Press this key to suspend a print job. The key lights up while the job is suspended.
5. [Check Status] key
Press to check the printer's system status, operational status of each function, and current jobs. You can also
display the job history and the printer's maintenance information.
6. Data In indicator
Flashes when the printer is receiving print jobs from a computer. The indicator lights up when there is data to
be printed.
7. Check Status indicator
Lights up or flashes when a printer error occurs.
Steady red: Printing is not possible.
Flashing yellow: The printer will soon require maintenance or a replacement consumable such as a print
cartridge. Printing is possible, but print quality cannot be ensured.
Follow the instructions that appear on the display.
8. Power indicator
Remains lit while the power is on. It is not lit when the power is off or when the printer is in energy saver mode.
9. [Energy Saver] key
Press to switch to and from Sleep mode. See page 27 "Saving Energy". When the printer is in Sleep mode,
the [Energy Saver] key flashes slowly.
10. [Login/Logout] key
Press to log in or log out.
11. [User Tools] key
Press to change the default settings as needed. See page 29 "Configuring Printer Settings from the [User
Tools] key".
12. [Simple Screen] key
Press to switch to the simple screen. See "Switching screen patterns", Operating Instructions.
13. Media slots
Insert an SD card or a USB flash memory device.
14. Media access lamp
Lights up when a memory storage device is inserted in the media slot or is being accessed.
19
DPP083
1. Getting Started
Guide to the Names and Functions of the Control Panel Screen
1. Operational Status or Messages
Displays the printer status and messages.
2. [Option]
Press to display the following items:
• Form Feed
• Error Log
3. [Supplies]
Press to display the information about printer supplies.
20
• By default, the remaining amount of toner is displayed. To avoid displaying the remaining amount
of toner, set [Display Supply Info] to [Off] in [General Settings] under [Maintenance].
• The control panel of the SP C341 is not a touchpanel. Do not touch the screen directly.
1
2
3
Touch the display panel
Press the [Home] key
CZV301
Guide to Names and Functions of Components
1. [Home] screen
Displays function and shortcut icons. For details, see page 22 "Using the [Home] screen".
The [Home] screen is set as the default screen when the printer is turned on. You can change this default
setting under Function Priority. See "System Settings (SP C342DN)", Operating Instructions.
2. [Printer] screen
Displays operation status, messages, and function menus. For details, see page 23 "Using the [Printer]
screen".
3. [Supplies Info] screen
Checks the printer status, such as toner, paper, and waste toner levels.
• After finishing a job, the printer waits a specified length of time, then restores its settings to the
default values specified under Function Priority. This function is called "System Reset". For the
procedure for specifying default settings under Function Priority, see "System Settings (SP
C342DN)", Operating Instructions.
• To change the length of time that the printer waits before restoring its settings to their default values,
use the Printer Auto Reset Timer setting. See "System Settings (SP C342DN)", Operating
Instructions.
21
CZV302
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1. Getting Started
Using the [Home] screen
This function is available for SP 342DN only.
To display the [Home] screen, press the [Home] key.
Each function has its own icon, and these icons are displayed on the [Home] screen.
You can add shortcuts to frequently used embedded software applications to the [Home] screen. The
icons of added shortcuts appear on the [Home] screen. The embedded software applications can be
called easily by pressing the shortcut icons.
• Do not apply strong impact or force to the screen. Doing so will damage the screen. Maximum
force allowable is approx. 30 N (approx. 3 kgf). (N = Newton, kgf = Kilogram force. 1 kgf = 9.8
N.)
1. Supply Information icon
Press to display the [Supplies Info] screen to check toner, paper, and waste toner levels.
2. [Printer]
Press to display the [Printer] screen.
3. Shortcut icon area
You can add shortcuts to embedded software applications to the [Home] screen. For details about registering
shortcuts, see "Adding icons to the [Home] screen", Operating Instructions.
4. Home screen image
You can display an image such as a corporate logo on the [Home] screen. To change the image, see
"Displaying the image on the [Home] screen", Operating Instructions.
/
5.
These appear if you add an application and it causes the icons to appear over multiple pages. Use these to
move between the pages.
• When a software application to be embedded is installed, the function icon for the application is
displayed on the [Home] screen.
22
• You can change the order of the icons. For details, see "Changing the order of icons on the [Home]
screen", Operating Instructions.
1
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CZV303
Guide to Names and Functions of Components
Using the [Printer] screen
This function is available for SP C342DN only.
The display panel shows the operation status, messages, and function menus.
The function items displayed serve as selector keys. You can select or specify an item by lightly pressing
these keys.
When you select or specify an item on the display panel, it is highlighted such as . Keys
appearing as cannot be used.
• Do not apply strong impact or force to the screen. Doing so will damage the screen. Maximum
force allowable is approx. 30N (approx. 3 kgf). (N = Newton, kgf = Kilogram force. 1 kgf =
9.8N.)
The [Home] screen is set as the default screen when the printer is turned on.
1. Operational status or messages
Displays the current printer status, such as "Ready", "Offline", and "Printing...". Information (user ID and
document name) about the print job appears in this section.
2. [Print Jobs]
Press to display print jobs sent from a computer.
3. Supply Information
You can check the remaining toner. Press to display the [Supplies Info] screen.
4. [Prt. From Dev.]
Press to display the screen for directly printing files stored on memory storage devices.
5. [Job Reset]
Press to cancel the current print job.
If you press it when the Hex Dump is selected, Hex Dump is canceled.
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CZV304
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1. Getting Started
6. [Job Operation]
Press to suspend a job being processed.
7. [Form Feed]
Press to print all the data left in the printer's input buffer.
8. [Other Functns.]
Press to display the error logs and status of spooled jobs.
Using the [Information] screen
This function is available for SP C342DN only.
To raise environmental awareness, you can configure the printer to show users the amount of paper
saved by using the various paper saving functions of the printer.
The color utilization ratio is also displayed on the [Information] screen.
When user authentication is enabled, the screen is displayed when you log in to the printer. When user
authentication is not enabled, the screen is displayed after the printer returns from Sleep mode or after a
system reset. The [Information] screen appears when the power is turned on, regardless of the
authentication settings.
1. Message
Displays messages from the administrator.
2. Total Print Pages
Displays the total number of pages printed in the current count period and the previous count period.
3. Eco-friendly Indicator
• Paper Reduction:
Shows the amount of paper saved by using the duplex and combine printing functions. The value
indicates the percentage of paper saved from the total of all the paper used. As the percentage
increases, the stack of paper decreases and the flower grows. When the ratio is 76% or more, the
flower starts to bloom.
• 2 sided Utilization:
24
Guide to Names and Functions of Components
Displays the ratio of 2-sided prints to the total number of prints.
• Combine Utilization:
Displays the ratio of combined prints to the total number of prints.
4. Count periods
Displays the current and previous count periods.
5. [Exit]
Press this to close the [Information] screen and return to operation.
6. Color Utilization
Displays the ratio of color prints to the total number of prints.
• Depending on the printer settings, the [Information] screen may not be displayed. For details, see
"Managing Eco-friendly Counter", Security Guide.
• You can also use Web Image Monitor to check the usage status. For further details, see Web
Image Monitor Help.
• Under [Eco-friendly Counter Period/Administrator Message] in [System Settings], you can check
"Count Period", "Administrator Message", "Display Information Screen", and "Display Time". Only
the administrator can change the settings. For details, see Security Guide.
25
DPP036
1. Getting Started
Turning On/Off the Power
This section explains how to turn on/off the printer.
Turning On the Power
1. Make sure the power cord is firmly plugged into the wall outlet.
2. Push the main power switch.
The power indicator turns on.
• After you switch the main power on, a screen may appear to indicate that the printer is initializing.
Do not switch the power off during this process. Initialization takes about three minutes.
Turning Off the Power
• When disconnecting the power cord from the wall outlet, always pull the plug, not the cord.
Pulling the cord can damage the power cord. Use of damaged power cords could result in fire
or electric shock.
• Do not press and hold the main power switch when turning off the printer. Doing so shuts down the
printer forcefully and may damage the hard disk causing a malfunction of the printer.
• Before unplugging the power cord plug, turn off the power switch and make sure the power switch
indicator turns off. Not doing so may result in damage to the hard disk or memory, leading to a
malfunction.
• Do not turn off the power while the printer is in operation.
26
DPP036
Turning On/Off the Power
1. Push the main power switch.
The main power is turned off automatically when the shutdown process is complete.
If the shutdown process is not complete within the period of time displayed on the screen, contact
your service representative.
Saving Energy
This printer has the following energy saving functions:
Sleep mode
If the printer remains inactive for a specified period after entering Fusing Unit Off mode, it enters
Sleep mode to further reduce the power consumption. The printer also enters Sleep mode when:
• The printer waits before entering Sleep mode is set in [Sleep Mode Timer]
• It is the day and time specified in [Weekly Timer]
When the printer is in Sleep mode, only the [Energy Saver] key and the [Check Status] key are
usable. (for SP C342DN)
The printer can print jobs from computers.
You can change the amount of time that the printer waits before switching to Sleep mode.
For details about setting [Sleep Mode Timer] and [Weekly Timer], see:
• Press one of the keys on the control panel (for SP C340DN)
• Press the [Energy Saver] key or [Check Status] key (for SP C342DN)
• Start print jobs
ECO Night Sensor
ECO Night Sensor can detect darkness and automatically turn off this product's power.
27
1. Getting Started
If ECO Night Sensor is enabled and detects darkness in a room after the lights are turned off, the
sensor automatically turns the power off and reduces the power consumption of this product to 1W
or less.
The default settings of ECO Night Sensor are enabled.
• The ECO Night Sensor function's factory default is [Auto Power Off Only]. If the printer is located in
an environment where the ambient light level is low (such as in a hallway or a location with motion
sensor lighting), it is advisable that you either keep this function disabled or adjust its sensitivity.
• You can configure the printer to automatically turn its power on when it detects an increase in the
ambient light level. The printer may also react to daylight and turn its power on. If the printer is
located in an environment where it is exposed to direct sunlight, it is advisable that you do not
change the factory default configuration and only enable [Auto Power Off Only].
• When the printer is in Sleep mode, the [Energy Saver] key flashes slowly. (for SP C342DN)
• The energy saving functions will not activate when:
• Communicating with external devices
• The hard disk is active
• A warning message is displayed
• The service call message is displayed
• Paper is jammed
• The printer's covers are opened
• Toner is being replenished
• The printer settings screen is displayed
• Fixed warm-up is in progress
• Data is being processed
• Operations are suspended during printing
• The Data In indicator is on or flashing
• The sample print, locked print, hold print, or stored print screen is displayed
• Accessing the printer using Web Image Monitor
• The printer consumes less energy when in Sleep mode, but it takes longer to start printing.
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• If two or more energy saving functions are set, the function for which the predetermined conditions
to enter energy saving mode are met takes effect first.
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