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Konica Minolta bizhub C25 Support Question

Konica Minolta bizhub C25 Support Question

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Question posted by godfreyborg on July 30th, 2015

Poor Print Quality

Bizhub 25 is showing: I-Unit Life (YMC). Test print shows good colours but black is streaked or absent.What exactly needs replacing?

Current Answers

Answer #1: Posted by freginold on July 30th, 2015 3:45 AM
This answer was accepted by the poster of the original question.
freginold

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Hello, the I-unit is the imaging unit. If it's nearing its end of life, you should replace it to keep the copier running well, but if your problem is mainly with the black, then the CMY imaging unit is probably not causing that problem. Depending on exactly how the copies look, it's likely either the black developer or black drum unit causing the problem. Either one of those units could cause streaking. (The transfer unit could as well, but it's less likely.)

Related Konica Minolta bizhub C25 Manual Pages

bizhub C25 Facsimile User Guide - Page 71

...-click the [KONICA MINOLTA bizhub C25 (FAX)] printer icon, and then select [Printing Preferences]. d If the [KONICA MINOLTA bizhub C25] printer icon appears instead of the [KONICA MINOLTA bizhub C25 (FAX)] in the Devices and Printers directory, right-click [KONICA MINOLTA bizhub C25] printer icon, choose [Printing preferences], and then click [KONICA MINOLTA bizhub C25 (FAX)]. Displaying PC-FAX...
bizhub C25 Facsimile User Guide - Page 72

... [Destinations Settings] tab, specify the destination. - d "P" (pause) can only be entered as the printer. 3 Click the [OK] button. d To remove a destination from the address book, click the desired...List]. Basic PC-FAX Transmissions 1 Click [Print] in the menu of the document to be sent to specify the print settings. 2 Select [KONICA MINOLTA bizhub C25 (FAX)] as an uppercase letter. 5 ...
bizhub C25 Facsimile User Guide - Page 105

... to the [Printer/Copier/Scanner User's Guide] on page 8-5. the document. nection. Problems When Sending Faxes If the fax cannot be sent correctly, even after performing the described operations, contact your technical representative. The document is blurry. rectly positioned. For details on troubleshooting procedures for document misfeeds, paper misfeeds, poor print quality, or...
bizhub C25 Facsimile User Guide - Page 106

...If it is dis- For details on troubleshooting procedures for document misfeeds, paper misfeeds, poor print quality, or empty toner, refer to "Error Messages on the Message Window" on the ...the keys were correctly programmed. d For details on the error messages, refer to the [Printer/Copier/Scanner User's Guide] on page 8-5. Problems When Receiving Faxes 8-3 Cause Solution There ...
bizhub C25 Printer / Copier / Scanner User Guide - Page 152

... (for Windows) Windows 7/Server 2008 R2 1 From the [Start] menu, click [Devices and Printers] to open the Printers directory. 2 Right-click the KONICA MINOLTA bizhub C25 PCL6, KONICA MINOLTA bizhub C25 PS, or KONICA MINOLTA bizhub C25 XPS printer icon, and then click [Printing Preferences]. Displaying Printer Driver Settings (for Windows) 4-5 Windows Vista/Server 2008 1 From the [Start] menu...
bizhub C25 Printer / Copier / Scanner User Guide - Page 219

... image quality. For optimum print quality and performance, use only approved KONICA MINOLTA imaging units for your machine. Machine Type AM EU AP CG Machine Parts Number A2YF 011 A2YF 021 A2YF 041 A2YF 081 Imaging Unit Type Imaging Unit -Black (K) Imaging Unit -Yellow (Y) Imaging Unit -Magenta (M) Imaging Unit -Cyan (C) Imaging Unit -Black (K) Imaging Unit -Yellow (Y) Imaging Unit -Magenta...
bizhub C25 Printer / Copier / Scanner User Guide - Page 223

d Do not grab the bottom of the bag; otherwise, the imaging unit may be damaged, resulting in the illustration. 10 Hold the imaging unit with both hands, and then shake it twice as shown in decreased print quality. 11 Remove the protective cover from the imaging unit 8-14 Replacing Consumables Remove all packing tape from the imaging unit.
bizhub C25 Printer / Copier / Scanner User Guide - Page 240

... about 20 minutes after this message appears; however, since the print quality is reached, the message [Fuser Unit Life] appears. Printing can continue even after turning off the machine and dis- Replacing the Fuser Unit When the time to replace the fuser unit is reduced, the fuser unit should be replaced immediately 1 Turn off the machine, and then check that the...
bizhub C25 Printer / Copier / Scanner User Guide - Page 263

... Media is folded, wrinkled, or excessively curled. The machine is not properly adjusted can cause poor print quality, media misfeeds, and machine damage). You always adjust the media guides in the tray after... a hard, flat, level surface. Media matches the machine specifications. You load the media printing-side up in the tray (many manufacturers place an arrow on the end of the wrapper...
bizhub C25 Printer / Copier / Scanner User Guide - Page 297

...damaged, replace defective. ...units and check for damage. each cartridge roller, and reinstall the toner cartridges. Colors are Gradations are opened during the mixed or calibration. have been performed, contact Technical Support with the error information. 10-38 Solving Problems with Printing Quality page-to "MACHINE SETTING Menu" on be for damage. replace...
bizhub C25 Printer / Copier / Scanner User Guide - Page 329

... method, such as continuous printing or intermittent printing (when print jobs of one page are often printed), or the type of paper used, for simplex printing using A4/Letter-size media with 5% coverage. Consumable Life Expectancy Chart User-Replaceable Item Toner cartridge Imaging unit Waste toner bottle Transfer roller Transfer belt unit Fuser unit Average Life Expectancy Standard in-box...
bizhub C25 Printer / Copier / Scanner User Guide - Page 330

... Specifications 12-7 d Whether printing in color or black and white, color printers consume a small amount of each toner during automatic adjustments to be replaced. Even if an operating error occurred during black-and white printing, color toner is turned on or off and during the initialization operation when the machine is consumed and may need to maintain print quality.
bizhub C25 Quick Guide - Page 6

.... A single fax can be sent to meet any need. Introduction 1-3 In addition, this machine but also computer data can be faxed. Print operations When printing from the enclosed Drivers CD/DVD. Scan operations Paper documents can be transmitted through the network. Available features bizhub C25 is a digital color multifunctional peripheral that eases the workflow...
bizhub C25 Reference Guide - Page 34

...users who would like to delete unnecessary files. 6 Drag the [KONICA MINOLTA bizhub C25.gz] file, which is located in [Library] - [Printers] - [PPDs] - [Contents] - [Resources] on the left below the... X 10.5) - [bizhub_C25_106.pkg] (for Mac OS X 10.6) The selected printer is deleted. 5 Click the close button ([x]) in the upper-left corner of [Print & Fax]. - For Mac OS X 10.5/10.6 1 On the [Apple]...
bizhub C25 Reference Guide - Page 36

... [Product] list. ing Print Options" on and the USB cable is connected, and then restart the computer. 7 Select [KONICA MINOLTA] from the [Printer Model] pop-up menu. 8 Click [Add]. d If any options are installed, select them. 6 Select [bizhub C25] in the [Printer List] screen. Printer Setup Utility Settings (Mac OS X 10.3) 1-11 d If [bizhub C25] does not appear...
bizhub C25 Reference Guide - Page 41

... options are installed, select them. ing Print Options" on page 1-46. 1-16 Printer Setup Utility Settings (Mac OS X 10.3) The new printer appears in the [Model Name] list. 8 Click [Add]. imal). 6 Select [KONICA MINOLTA] from the [Printer Model] pop-up menu. 7 Select [KONICA MINOLTA bizhub C25 PPD] in the [Printer List] screen. For details, refer to the...
bizhub C25 Reference Guide - Page 146

... default setting is [Tray 1]. Select whether or not to print on the back side of paper that is [Enabled]. Printer Driver Settings Options Installed Parameters [Paper Source Unit] [Storage] [Duplex Unit] [Printer Memory] Settings Select Unit 3 if an optional lower feeder unit for the storage unit that has already been printed on 2nd side] [Paper Sizes] Settings Specifies the...
bizhub C25 Reference Guide - Page 148

The default setting is [Vivid]. Specifying Printer Driver Settings 2-15 Specifies RGB intent for image as [Vivid], [Photographic], [Relative Color], or [Absolute Color]. - The default setting is [Off]. If [Text] is selected, superimposed printing is [Black and Gray]. The default setting is [Line Art]. Specifies the RGB Gray Treatment as [Line Art], [Detail], or...
bizhub C25 Reference Guide - Page 358

...Applies the configuration settings for confirmation. Configuring the Printer 9-75 Password] Range: Up to print. word] Range: Up to 64 bytes Default: Blank [Print] Select whether or not the new user .... Click to cancel the entered data and return to print in black and white. Choices: Allow, Economy Print Mode Only, Restrict [Black] Default: [Allow] Select whether or not the new...
Installation Guide - Page 7

... Compatible with bizhub C35P, bizhub C25. Adds a 500-sheet tray (Tray 3) as the lower paper feeder unit, handles up to accommodate a free standing bizhub C25. Konica Minolta bizhub C25 AccSespseorcyifOipctaiotniosnfor&biIznhsutbaCll2a5tiFounll CGouloirdPerinter/Copier/Scanner/Fax Accessory Options for bizhub C25 Full Color Printer/Copier/Scanner/Fax Accessory Options for printing, XPS...

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