AR-M550 (serv.man106). Improvement in halftone image quality. - Sharp Copying Equipment Technical Bulletin (repair manual)

Model
AR-M550 (serv.man106)
Pages
6
Size
1.53 MB
Type
PDF
Document
Technical Bulletin
Brand
Device
Copying Equipment / Improvement in halftone image quality.
File
ar-m550-sm106.pdf
Date

View Sharp AR-M550 (serv.man106) Technical Bulletin online

Sharp Electronics (UK) Ltd., Technical Services Group
ARE764
1. Model Name
ARM550U/620U/700U, ARP19, and ARFR11U.
2. Description
To improve the halftone image quality and to aid the cleaning performance of the fixing unit two
changes have been implemented to improve the accuracy of process control. The laser power
out put has been changed along with the image processing correction value, with these
changes toner consumption may also be improved.
New ROM version
Improvement in halftone image quality.
TECHNICAL BULLETIN
Date:
06 May 2005
Model: 
ARM550/620/700
Ref.:
041
Colour: 
White
Page:
1 of 6
Sharp Electronics (UK) Ltd., Technical Services Group
ARE764
1. Operations flow-chart for the change description of process control and toner concentration
control.
2. Procedure for changing laser power and image processing correction value.
1)  If the toner save mode is ON, switch off this mode in both copier and printer .
For copy mode - Execute Sim 26-18. If ‘0’ is displayed change it to ‘1’.
For print mode – Enter Key Operator Program and deselect Energy Save and Toner
Save in Printer Mode.
2)  Execute the test commands and enter the figures for the image processing correction
and laser power output for March production onwards according to the table below.
3)  Update each of Main, Boot, PCU and Scanner ROM to the latest version.
Sharp Electronics (UK) Ltd., Technical Services Group
ARE764
Sharp Electronics (UK) Ltd., Technical Services Group
ARE764
Sharp Electronics (UK) Ltd., Technical Services Group
ARE764
Sharp Electronics (UK) Ltd., Technical Services Group
ARE764
Sharp Electronics (UK) Ltd., Technical Services Group
ARE764
Sharp Electronics (UK) Ltd., Technical Services Group
ARE764
Sharp Electronics (UK) Ltd., Technical Services Group
ARE764
Sharp Electronics (UK) Ltd., Technical Services Group
ARE764

Download Sharp AR-M550 (serv.man106) Technical Bulletin

Here you can view online and download Sharp AR-M550 (serv.man106) Technical Bulletin in PDF. AR-M550 (serv.man106) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp AR-M550 (serv.man106) Copying Equipment. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.