Konica Minolta BIZHUB 164 Service Manual

16. IMAGE QUALITY PROBLEM Field Service Ver. 2.0 Jun. 2010
158
bizhub 164
TROUBLESHOOTING
16.2.19 Printer section: Void areas
A. Typical faulty images
B. Troubleshooting procedure
A09AF3C533DA
Step Check Result Action
1Foreign matter is present along the paper path. YES•Remove foreign matter.
2Paper dust plugs up the paper dust remover. YES•Clean or change.
3Drum charge corona, grid mesh, and comb electrode are
loose.
YES • Reinstall.
4Drum charge corona contact is dirty, scratchy, deformed,
worn, or damaged.
YES • Clean, correct, or
change.
5Developing roller is dirty, scratchy, deformed, worn, or
damaged.
YES • Clean or change.
6Toner is even on sleeve/magnet roller. NO•Adjust Db.
For details, see
ADJUSTING/SETTING.
7Developer is not even in the developer mixing chamber of
IU.
YES • Even out developer in
the developer mixing
chamber.
8DB of IU is plugged with foreign matter
(such as paper dust).
YES • Remove foreign matter.
9Transfer roller is dirty, scratchy, deformed, worn, or dam-
aged.
YES • Clean, correct, or
change.
10 Transfer roller unit is installed correctly. NO • Reinstall.
11 Charge neutralizing plate is dirty, scratchy, folded, or bent. YES • Clean, correct, or
change.
12 Fusing roller is dirty, scratchy, deformed, or worn. YES • Clean or change.
NO • Change IU.

Konica Minolta BIZHUB 164 Specifications

General

Print Technology	Laser
Print Speed	16 ppm
Print Resolution	600 x 600 dpi
Copy Speed	16 cpm
Copy Resolution	600 x 600 dpi
Scan Resolution	600 x 600 dpi
Paper Capacity	250 sheets
Interface	USB 2.0
Warm-up Time	29 seconds
Paper Input Capacity	250 sheets
Memory	32 MB
Type	Monochrome
Maximum Paper Size	A3
Duplex Printing	Manual
Network Connectivity	No
USB Connectivity	Yes
Paper Size	A5
Fax Resolution	Not applicable