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Cleaning the Print Head Glass

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9 4 Close the Opening and Closing Guide you opened in step 2. Cleaning the Print Head Glass Printing quality deteriorates if the Print Head Glass is dirty. If this occurs, clean the Print Head Glass according to the following procedure. 1 Open the Front Door of the machine. 2 Remove the Waste Toner Bottle. bizhub 4750i/4050i 37

Section	Page
1 Safety Information	2
1.1 Introduction	2
1.2 Environmental information	2
Environmental benefits of power management	2
Recycled paper	2
Duplex printing	2
1.3 Safety information	2
Warning and precaution symbols	2
These are some of major exemplary graphical symbols.	2
<Power source connection>	2
<Installation>	3
<Using the product>	3
<Consumables>	4
1.4 Regulation notices	4
About certified model name	4
CE Marking (Declaration of Conformity) for users of the European Union (EU)	4
For Brasilia users/Para usuários de Brasília	4
USER INSTRUCTIONS FCC PART 15 - RADIO FREQUENCY DEVICES (for U.S.A. users)	4
INTERFERENCE-CAUSING EQUIPMENT STANDARD (ICES-003 ISSUE 6) (for Canada users)	5
GS Certification	5
Electromagnetic Interference	5
Laser safety	5
Internal laser radiation	5
CDRH regulations	5
For European users	5
Laser safety label	5
Ozone release	6
Acoustic noise (for German users only)	6
Notification for California customers	6
Recycling batteries (for Taiwan users only)	6
For EU member states only	6
USB host	6
Graphic symbols used on this machine	6
1.5 Special notice to user	6
For Canada	6
For U.S.A.	6
For Europe	7
For New Zealand	7
1.6 Space requirements	7
1.7 Operation precautions	8
Power source	8
Operating environment	8
Storage of copies	8
Data stored in this machine	8
Precautions for carrying the machine	8
1.8 Legal restrictions on reproduction	8
1.9 Caution notations and labels	9
2 Before Using this Machine	10
2.1 Environmental initiatives	10
2.2 Intended use of office MFP devices	10
Intended use	10
Impermissible operating conditions	10
Exclusion of liability	10
2.3 Target groups	10
2.4 Introduction to user's guide	10
Quick Guide	10
HTML User's Guide	11
2.5 Symbols and notations used in this manual	11
2.6 Administrator password	11
3 How to Use the HTML User's Guide	12
About the HTML User's Guide	12
Operating environment	12
4 About This Machine	13
4.1 Optional components	13
List of optional components	13
List of other optional components	14
4.2 Name of each component (main unit)	15
Front/side	15
Rear side	16
4.3 Power supply	17
Turning the power on and off	17
5 About Panels	18
5.1 Control Panel	18
5.2 Touch Panel	19
Home screen	19
5.3 Login methods	20
When user authentication is enabled:	20
When account track is enabled:	21
6 Loading the Original and Paper	22
6.1 Load the original	22
6.1.1 Loading the original into the ADF	22
6.1.2 Placing the original on the Original Glass	22
6.2 Loading paper	23
6.2.1 Loading paper in Tray1	23
Applicable paper types	23
How to load paper	23
6.2.2 Loading paper into the Bypass Tray	23
Applicable paper types	23
How to load paper	23
6.2.3 Loading envelopes	24
For Tray 1	24
For Bypass Tray	24
6.2.4 Loading postcards	25
For Tray 1	25
For Bypass Tray	25
7 Available Operations in this Machine	26
7.1 How to copy	26
Basic copy operations	26
7.2 How to print	27
Basic print operations	27
7.3 How to scan	28
Basic scan operations	28
7.4 How to fax	29
Basic fax operations	29
8 Registering a Destination	30
8.1 How to register a destination	30
Registering a fax address	30
Registering E-mail address	31
9 Read this if You Have a Problem	32
9.1 Main messages and remedies	32
9.1.1 Checking a notification message on the Touch Panel	32
9.1.2 Screen displayed at occurrence of paper jam	33
9.1.3 When an error message appears	34
9.2 When the Touch Panel is not visible	35
9.3 When printing quality has deteriorated	36
Cleaning the Original Glass and roller	36
Cleaning the Slit Scan Glass	36
Cleaning the Slit Scan Glass (back)	37
Cleaning the Print Head Glass	38
9.4 When a message appears to replace consumables or carry out cleaning	40
9.4.1 About Imaging Unit	40
9.4.2 About Toner Cartridge	40
When toner is running out in the Toner Cartridge	40
When it is time to replace a Toner Cartridge	40
Replacing a Toner Cartridge	41
9.4.3 About Waste Toner Bottle	42
Replacing a Waste Toner Bottle	42