Kyocera ECOSYS M3540dn Service Manual

2NM/2NX/2NY/2NZ/2P0/2P6
1-4-43
1-4-4 Image formation problems
Isolate the component an image defect has occurred from.
<A guide to isolate the component of the cause.>
Print a test page and check whether an image defect happens.
(System Menu > Adjustment/Maintenance > Service setting)
YES: Main unit as the cause of defect
NO: Scanner as the cause of defect
Perform enlarged or reduced copying and verify if the defective images are enlarged or reduced, accordingly.
YES: Scanner as the cause of defect
1. Scanner as the cause of defect:
If the defect occurs with copying or sending, refer to P.1-4-44.
(Defects caused by a reading error that occurs at the original (glass) LED lamp to CCD.)
Isolate the problem at the location that the originals are scanned.
a. DP (read by CCD)
b. On the contact glass (read by CCD)
2. Main unit as the cause of defect: refer to P. 1-4-44.
(A defect of image forming occurs from the rendering process that involves charging, drum, LSU,
developer, and primary transferring.)
<Flow of image data>
LED lamp
Control PWB
APC PWB
(LSU)
LED lamp
CCD
CCD PC
ControlPWB
Printer driver
Control PWB
APC PWB
(LSU)
Copying :
Sending :
Printing data from PC :

Kyocera ECOSYS M3540dn Specifications

General

Print Technology	Laser
Print Resolution	1200 x 1200 dpi
Duplex Printing	Yes
Scan Type	Color CIS
Scan Resolution	600 x 600 dpi
Fax Capability	Yes
Fax Transmission Speed	33.6 kbps
Paper Capacity	500 sheets
Connectivity	USB, Ethernet
Copying	Yes
Scanning	Yes
Modem Speed	33.6 kbps
Standard Input Capacity	500 sheets
Standard Output Capacity	250 sheets
Maximum Output Capacity	250 sheets
Maximum Print Size	A4
Standard Interfaces	USB 2.0, Ethernet
Ethernet LAN	Yes
Internal Memory	512 MB
Power Consumption (typical)	661 W
Display	LCD
Functions	Print, Copy, Scan, Fax
Operating System Compatibility	Windows, Mac OS, Linux
Print Speed	40 ppm (pages per minute)
Copy Speed	40 cpm (copies per minute)
Standard Paper Tray Media Types	Recycled
Maximum Internal Memory	1, 536 MB
Weight	22 kg
Product Colour	Black