Konica Minolta Bizhub 282 Service Manual

Field Service Ver. 1.0 Dec. 2008 20. Image quality problem
273
bizhub 362/282/222
TROUBLESHOOTING
20.3.3 Scanner System: Foggy background
A. Typical Faulty Images
B. Troubleshooting Procedure
4036fs4030c0
ABCD
ABCD
ABCD
ABCD
ABCD
Step Section Check Item Result Action
1 - Sunlight or any other extraneous light
enters the machine.
YES Protect the copier from
extraneous light.
2 Original Original is damaged or dirty. YES Change original.
3 Original Cover Original Pad is dirty. YES Clean.
4 Original Cover does not lie flat. YES Replace Original Cover if
it is deformed or the
hinges are broken.
5 Shading Sheet Shading sheet is dirty. YES Clean.
6 Mirrors/Lens/
Original Glass/
Reflectors
Mirrors, lens, Original Glass and/or
reflectors are dirty.
YES Clean.
7 Exposure Lamp Exposure Lamp is dirty. YES Clean.
Change Exposure Lamp.
8 PWBs and Con-
nection Cables
Connectors are securely connected with
no bent pins and no breaks in the con-
nection cables.
NO Reconnect.
Replace the connection
cable.
9 MFBS Board Connectors on the MFBS Board are
connected properly.
NO Reconnect.
10 The problem has been eliminated after
performing step 9.
NO Change MFBS Board.
11 CCD Unit Connectors on the CCD Unit Board are
connected properly.
NO Reconnect.
12 The problem has been eliminated after
performing step 11.
NO Change CCD Unit.

Konica Minolta Bizhub 282 Specifications

General

Functions	Print, Copy, Scan, Fax
Print Resolution	600 x 600 dpi
Copy Resolution	600 x 600 dpi
Scan Resolution	600 x 600 dpi
Fax Transmission Speed	33.6 Kbps
Maximum Paper Size	A4
Duplex Printing	Yes
Printing Technology	Laser
Original Size	A4
Print Speed	28 ppm
Copy Speed	28 cpm
Network Connectivity	Ethernet
USB Connectivity	Yes
Zoom Range	25% - 400%
Scan Speed (B&W)	28 ipm