KMIS Service Team, Kyocera Mita Europe 5225 / SB 2A7-014 Service Bulletin SB Number: Subject: Model: SB 2A7-014 Horizontal lines on image (change IPU Assembly) KM-4850w / KM-S4850w Issue Date: 21/05/2002 Phenomenon Horizontal lines may appear on the image. Cause The input signal of ASIC may at some points be ‘unfixed’ (open status) causing the input signal to become unstable. Countermeasure Zero-ohm resistance has been added to R628 and connected with GND to stabilize the input signal. (“L” fixation; R628 is located on the backside of PCB.) The check mark has been added to the PCB to indicate that it is the new part. Field Measure: Please replace the IPU Ass’y with the new part if phenomenon arises. No. Part No. OLD 2A701040 Part No. NEW 2A701042 Description Q’ty old-new 1 Interchange- ability X 1 IPU ASS'Y 1 O Affected Machine Serial Numbers: KM-4850w: 0000965 and later KM-S4850w: from first mass-production Check mark added IPU ASSY The horizontal lines may occur at 4 places. They can be white or black lines depending on the original. (Left figure is sample of A0 width.) 1 / 1
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Compatible Models: Kyocera-KM-S4850w.
– Kyocera-KM-S4850w Service-Bulletin: is a handbook published by Kyocera manufacturer or a specialized publishing company that contains instructions and specifications for the maintenance, repair, and how to fix all error of a specific Kyocera-KM-S4850w Printer. It may includes Exploded Views, Parts List, System Diagram, Disassembly and Reassembly, Alignment, Troubleshooting guides, Adjustments, hard reset code, factory reset…

You can do with Kyocera-KM-S4850w Service-Bulletin:

1.1 Guide you from basic to advanced usage it.
1.2 Fluent Disassembly and Re-assembly Kyocera-KM-S4850w Service-Bulletin.
1.3 Diagnostic all errors are generated by Kyocera-KM-S4850w Service-Bulletin:
– The printer does not print.
– Paper does not feed into the printer.
– A print job is extremely slow.
– Half the page is blank.
– The paper keeps jamming, Paper Jam inside, Paper Jam Outside…
– The printer prints, but the text is wrong, garbled, or incomplete.
– Pages print, but are blank.
– The print quality of photos is not good. Images are not clear.
– Your printer has an odd smell during initial use.
1.4 How to refill toner/ink Kyocera-KM-S4850w.
1.5 How to update firmware Kyocera-KM-S4850w.
1.6 How to reset page counter by software, fix all error cause by ink/toner cartridge Kyocera-KM-S4850w: Waste Ink Ink Pad Error, ink cartridge error, red light blinking, red-green light blinking, yellow blinking, Ink cartridge failure, waste ink over flow, ink out, ink level, incompatible ink cartridges, toner cartridge not competition, install toner cartridge, toner exhausted, toner low, toner empty, toner very low…How to use Adjustments Program.
1.7 How to fix main board error, print head, formater board error Kyocera-KM-S4850w.
1.8 How to troubleshooting printer problem with low quality page .
1.9 How to fix : Communication Error, Model Difference, Cover open(Tray) Error, Paper Out Error, Paper Jam Error, Paper Mismatch Error, Ink Low, Ink End Error, No Ink Cartridge, CSIC Error, Maintenance Request Error, Fatal Error…
1.10 How to fix sensor error: empty image, imaging unit is not installed, sensor failure, turn off then on, fusser error, LSU error, Engine board problem, Flash ROM problem, Main motor problem, Sirocco fan problem, Power supply cooling fan problem, Suction fan problem, Polygon motor problem, Laser problem, Secondary transfer voltage contact/release problem, Transfer belt cleaner contact/release problem, Transfer belt rotation problem, Imaging rack rotation problem, Fuser roller temperature increase problem, Fuser roller low temperature problem, Fuser roller high temperature problem, Fuser roller thermistor problem, Transparency detection sensor problem, Main unit memory counter problem, Main unit memory data problem, Main unit memory access problem, Main unit memory installation problem, Engine communication error.

Kyocera-KM-S4850w Service-Bulletin covers following topics:

– Precautions Kyocera-KM-S4850w.
– Product Specification Kyocera-KM-S4850w.
– System Overview Kyocera-KM-S4850w.
– S/W Structure and Descriptions Kyocera-KM-S4850w.
– Disassembly and Reassembly Kyocera-KM-S4850w.
– Alignment and Adjustments Kyocera-KM-S4850w.
– Troubleshooting Kyocera-KM-S4850w.
– Exploded Views & Parts List Kyocera-KM-S4850w.

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