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Ricoh SP C250DN Operating Instructions - Page 144

Cleaning the Toner Density Sensor

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6. Maintaining the Machine Cleaning the Toner Density Sensor Clean the toner density sensor when the following message appears on the control panel. "Density Sensor Require Cleaning" 1. Pull up the lever on the top cover, and then carefully raise the top cover. DAC477 2. Remove the rearmost print cartridge. DAC040 3. Slide the toner density sensor lever once to the left. 142 DAC093

Section	Page
Operating Instructions	1
TABLE OF CONTENTS	3
How to Read This Manual	9
Introduction	9
Legal Prohibition	9
Disclaimer	9
Differences in Functions between Different Models	10
Note to Administrator	10
Password	10
User Restriction	10
About IP Address	11
List of Option	11
Model-Specific Information	12
Important Safety Instructions	13
User Information on Electrical & Electronic Equipment	13
Users in the countries where this symbol shown in this section has been specified in national law on collection and treatment of E-waste	13
All Other Users	13
Environmental Advice for Users	13
Users in the EU, Switzerland and Norway	13
Note for the Battery and/or Accumulator Symbol (For EU countries only)	14
Important Safety Instructions	15
Notes to Users in the State of California	15
ENERGY STAR Program	16
Saving Energy	16
1. Getting Started	19
Guide to Components	19
Exterior: Front View	19
Exterior: Rear View	21
Interior	22
Control Panel	23
Installing the Machine	24
Where to Put the Machine	24
Installing Option	27
Attaching Paper Feed Unit	27
About Operation Tools	30
Configuring Network Settings	31
Configuring the IP Address Settings	31
Specifying settings to receive an IPv4 address automatically	31
Assigning the machine's IPv4 address manually	32
Specifying settings to receive an IPv6 address automatically	33
Assigning the machine's IPv6 address manually	34
Sharing the Printer on a Network	35
Wireless LAN Setup	36
Infrastructure mode	36
Ad Hoc mode	37
Restricting Machine Functions According to User	39
Enabling the User Restriction Settings	39
Modifying user entries	41
Deleting user entries	41
When Machine Functions are Restricted	42
2. Loading Paper	43
Supported Paper	43
Specifications of Paper Types	46
Non-Recommended Paper Types	53
Print Area	54
Loading Paper	56
Loading Paper into Tray1 and 2	56
Extending Tray 1 to load paper	58
Loading Paper into Bypass Tray	60
Loading Envelopes	61
Specifying Paper Type and Paper Size Using Control Panel	63
Specifying the paper type	64
Specifying the standard paper size	64
Specifying a custom paper size	65
3. Printing Documents	67
Basic Operation	67
Canceling a Print Job	67
Canceling a print job before printing has started	68
Canceling a print job while printing	68
If a Paper Mismatch Occurs	69
Continuing Printing Using Mismatched Paper	69
Resetting the Print Job	70
Printing Confidential Documents	71
Storing a Locked Print file	71
Printing a Locked Print File	72
Deleting a Locked Print File	72
Checking which Locked Print File Jobs Have Been Canceled	73
Direct Printing from a Digital Camera (PictBridge)	75
What Is PictBridge?	75
PictBridge Printing	75
What Can Be Done on this Machine	76
Exiting PictBridge	76
When PictBridge Printing Does Not Work	77
Using Various Print Functions	79
Print Quality Functions	79
Print Output Functions	80
4. Configuring the Machine Using the Control Panel	83
Basic Operation	83
Menu Chart	84
Paper Input Menu	85
List/Test Print Menu	88
Printing the Configuration Page	88
Types of Lists/Reports	88
Maintenance Menu	90
System Menu	91
Host Interface Menu	94
PCL Menu	98
PS Menu	100
Language Menu	101
Changing the Language Menu	101
5. Configuring the Machine Using Web Image Monitor	103
Using Web Image Monitor	103
Displaying Top Page	104
Changing the Interface Language	105
Checking the System Information	106
Status Tab	106
Counter Tab	107
Machine Information Tab	109
Configuring the System Settings	110
Tray Paper Settings Tab	110
I/O Timeout Tab	113
Black-and-White Print Priority Tab	113
Restricting Machine Functions According to User	114
Configuring the Network Settings	115
Network Status Tab	115
IPv6 Configuration Tab	116
Network Application Tab	116
DNS Tab	117
Auto E-mail Notification Tab	118
SNMP Tab	119
SMTP Tab	120
POP3 Tab	120
Wireless Tab	121
Configuring the IPsec Settings	123
IPsec Global Settings Tab	123
IPsec Policy List Tab	123
Printing Lists/Reports	127
Configuring the Administrator Settings	128
Administrator Tab	128
Reset Settings Tab	128
Backup Setting Tab	128
Restore Setting Tab	129
Energy Saver Mode Tab	130
PCL6 Mode	130
6. Maintaining the Machine	131
Replacing the Print Cartridge	131
Replacing the Waste Toner Bottle	136
Replacing a Component	142
Replacing the Intermediate Transfer Unit	142
Replacing the Fusing Unit and Transfer Roller	142
Cautions When Cleaning	143
Cleaning the Toner Density Sensor	144
Cleaning the Friction Pad and Paper Feed Roller	146
Cleaning the Registration Roller and Paper Tray	149
7. Troubleshooting	153
Removing Paper Jams	153
Removing Printing Jams	153
If paper jams inside the fusing unit	154
If paper jams inside a tray	156
If paper jams inside the transfer unit	158
Common Problems	159
Paper Feed Problems	160
Print Quality Problems	163
Checking the Condition of the Machine	163
Checking the printer driver settings	164
Printer Problems	166
When You Cannot Print Properly	166
When You Cannot Print Clearly	169
When Paper Is Not Fed Properly	172
Other Printing Problems	173
Error & Status Messages on the Control Panel	174
Panel Indicator	178
8. Appendix	179
Functions and Network Settings Available in an IPv6 Environment	179
Available Functions	179
Transmission Using IPsec	180
Encryption and Authentication by IPsec	180
Security Association	181
Encryption Key Exchange Settings Configuration Flow	182
Specifying Encryption Key Exchange Settings	182
Specifying IPsec Settings on the Computer	183
Enabling and Disabling IPsec Using the Control Panel	185
Notes About the Toner	186
Moving and Transporting the Machine	187
Disposal	187
Where to Inquire	188
Consumables	189
Print Cartridge	189
Waste Toner Bottle	191
Specifications of the Machine	192
General Function Specifications	192
Printer Function Specifications	194
Specifications of Options	195
Paper Feed Unit TK1010	195
Copyright Information about Installed Applications	196
expat	196
Iperf	196
WPA Supplicant	197
Trademarks	199