Konica Minolta BIZHUB 164 Service Manual

16. IMAGE QUALITY PROBLEM Field Service Ver. 2.0 Jun. 2010
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bizhub 164
TROUBLESHOOTING
16.2.9 Scanner section: Gradation reproduction failure
A. Typical faulty images
B. Troubleshooting procedure
A09AF3C530DA
Step Check Result Action
1Original glass is dirty, scratchy, worn, or damaged. YES • Clean or change.
2 Shading sheet reading portion (the portion on the back-
side of the original glass to which original width scale is
affixed) is dirty.
YES • Clean.
3Exposure lamp is abnormally lit (flickers or abnormally
dark) when the power switch is turned ON.
NO • Go to step 5.
4CIS module components (glass, lamp, sensor) are dirty,
scratchy, worn, or damaged.
YES • Clean or change.
5CIS module (CIS) connector is loose. YES • Reconnect.
6Printer control board (PRCB) connector P102 is loose. YES•Reconnect.
NO • Change PRCB.
•Change CIS.

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