Konica Minolta bizhub 4750 bizhub 4750/4050 Maintenance/Troubleshooting User G - Page 55

6

[Maintenance/Troubleshooting]

6-2

6

Index

C

Cleaning

Control Panel

.........................................................

1-4

Exhaust Air Duct

....................................................

1-4

Original Cover Pad

................................................

1-5

Original Glass

........................................................

1-5

Outer Covers

.........................................................

1-4

Consumables

Check

....................................................................

2-2

Replace

..................................................................

2-3

Counter

........................................................................

5-2

I

Imaging Unit

Replace

..................................................................

2-5

M

Messages

..................................................................

4-15

Consumables Replacement

..................................

2-2

Error

.....................................................................

4-15

Warning

...............................................................

4-15

P

Paper Jam

ADF

........................................................................

3-6

Finisher

......................................................

3-10

,

3-11

Front Cover

............................................................

3-6

Manual Feed Tray

..................................................

3-3

Output Tray

..........................................................

3-10

Paper Feed Unit

.....................................................

3-5

Rear Cover

.............................................................

3-9

Tray 1

.....................................................................

3-4

S

Service Call

...............................................................

4-18

Staple Jam

................................................................

3-15

Staple Kit

Replace

..................................................................

2-7

T

Toner Cartridge

...........................................................

2-3

Handle

...................................................................

2-3

Replace

..................................................................

2-4

Store

......................................................................

2-3

Troubleshooting

Copy

....................................................................

4-13

Fax RX

.................................................................

4-12

Fax TX

..................................................................

4-11

Internet Fax RX

....................................................

4-12

Internet Fax TX

....................................................

4-11

Network Scan

......................................................

4-10

Paper Jam

...........................................................

3-13

Power Supply

........................................................

4-2

Print

.......................................................................

4-4

Print Quality

...........................................................

4-7

Touch Panel

...........................................................

4-3

Section	Page
Table of contents	2
1 Cleaning This Machine	5
1.1 Before getting started	5
1.2 Cleaning the outside of this machine	7
Control Panel	7
Exhaust Air Duct	7
Outer Covers	7
Original Glass	8
Original Cover Pad	8
2 Checking and Replacing Consumables	10
2.1 Checking the status of consumables	10
Consumables replacement messages	10
Checking the consumable level	10
2.2 Replacing consumables	11
2.2.1 Replacing a Toner Cartridge	11
Handling a Toner Cartridge	11
Storing Toner Cartridges	11
Replacement procedure	12
2.2.2 Replacing an Imaging Unit	13
2.2.3 Replacing a Staple Kit	15
3 Clearing Paper Jam and Staple Jam	19
3.1 To prevent a paper jam	19
3.2 When a paper jam has occurred	20
3.2.1 Clearing a paper jam in the Manual Feed Tray	20
3.2.2 Clearing a paper jam in Tray 1	21
3.2.3 Clearing a paper jam in Tray 2/3/4	22
3.2.4 Clearing a paper jam in ADF	23
3.2.5 Clearing a paper jam in the Front Cover	23
3.2.6 Clearing a paper jam in the Rear Cover	26
3.2.7 Clearing a paper jam in the Output Tray	27
3.2.8 Clearing a paper jam in the outlet of the Finisher	27
3.2.9 Clearing a paper jam in the rear of the Finisher	28
3.3 Troubleshooting for paper jam	30
3.4 Clearing a staple jam	32
4 Troubleshooting	35
4.1 The power is not turned on	35
4.2 The Touch Panel is not displayed	36
4.3 Cannot print	37
4.3.1 Cannot print	37
4.3.2 Problems on print quality	40
4.3.3 When the bit count does not match between the server and the client	41
4.4 Cannot perform network scanning	43
4.5 Cannot perform fax/internet fax	44
4.5.1 Cannot perform Fax TX	44
4.5.2 Cannot perform Fax RX	45
4.6 Cannot perform copy	46
4.7 Major messages and actions	48
Warning messages	48
Error messages	48
Service call	51
5 Checking the Counter	53

Konica Minolta bizhub 4750 bizhub 4750/4050 Maintenance/Troubleshooting User G - Page 55

Paper Feed Unit, Internet Fax RX

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