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Question posted by nsdprinting on February 17th, 2014

What Does Warning Code P-21 And P-28 Mean

Display showing a machine status warning and it shows 2 codes P-21 and P-28

Current Answers

Answer #1: Posted by BusterDoogen on February 17th, 2014 5:12 PM
This answer was accepted by the poster of the original question.
BusterDoogen

Member since:
October 30th, 2011

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P-21 is a color regist test pattern failure.

P-28 is a IDC sensor/Rr failure; possible solution:

1 Wipe clean the surface of the transfer belt with a soft cloth, if it is dirty.

2 Change the image transfer belt unit if the transfer belt is damaged.

3 Change the PH unit.

4 Change PRCB. run halftone prints from service mode to isolate which color is having an issue. check all image units.

I hope this is helpful to you!

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Related Konica Minolta bizhub C754 Manual Pages

bizhub C654/C754 Quick Start Guide - Page 2

...1-2 Recycled Paper...1-2 Duplex printing...1-2 1.2 Safety information...1-3 Warning and precaution symbols ...1-3 Meaning of symbols...1-3 1.3 Regulation notices ...1-8 CE Marking (... DEVICES (for California Customers 1-11 For EU member states only ...1-12 For EU member states only ...1-12 Telephone Cable (For users in this machine ...2-5 Optional components ...2-5 bizhub C754...
bizhub C654/C754 Quick Start Guide - Page 13

...product: This means the machine does not produce hazardous laser radiation. 1-8 bizhub C754/C654 Cet ...machine is likely to result in interference with the instruction manual, may be registered with the limits for a Class A digital device, pursuant to result in a residential area is prohibited under FCC regulations. This device must be required to class B regulations WARNING...
bizhub C654/C754 Quick Start Guide - Page 46

... orange if this keypad to page 2-19. 12 Status Indicator (Warning Flashes orange if a warning occurs. or stop indicator) Lights up or flashes blue when the power is turned on or off . • In the Administrator Settings, you entered using the keypad. ually switching to the power save mode to an error. bizhub C754/C654 2-21
bizhub C654/C754 Quick Start Guide - Page 77

...3-26. For details, refer to the relevant page. For details, refer to page 3-28. 1 Loading the original 2 Selecting a destination % Select a registered destination, and check ...machine. For details, refer to page 3-21. 2 Checking network settings of this machine (Administrator) % Check the network settings of this machine is correctly connected to scan the original. 3-20 bizhub C754/...
bizhub C654/C754 Advanced Function Operations User Guide - Page 8

... LMS on this machine to generate This machine LMS LMS LMS bizhub C754/C654 2-2 Select an appropriate method depending on the Internet. The required registration information is transferred via Internet Manually registering a license Registering a license using the Control Panel of the License Management Server and register a target license on a request code. Manually enter all...
bizhub C654/C754 Control Panel User Guide - Page 19

... by the USB memory. Indicates that shows a warning code. Indicates that there are as a "detail icon" in the manual. Displays a screen to the E-mail server (POP). Icon Description Indicates that the machine is connected to this machine. Tap this machine may be displayed are messages related to the consumables replacement or device maintenance. Indicates that a USB memory...
bizhub C654/C754 Trademarks Licenses User Guide - Page 53

...that (1) displays an ...code" for a work means the preferred form of a copy, is no transfer of the work licensed under this License. The Corresponding Source need not include anything , other activities as a whole, that (a) is threatened constantly by a recognized standards body, or, in the case of interfaces specified for an executable work) run the bizhub C754/C654 7-21...
bizhub C654/C754 Trademarks Licenses User Guide - Page 60

...this function must still compute square roots.) bizhub C754/C654 7-28 GNU LIBRARY GENERAL PUBLIC LICENSE TERMS AND ...status of the libraries themselves. Whether that is included without limitation in a tool for copying, distribution and modification follow. Note that it contains, plus the scripts used by this License; For a library, complete source code means all the source code...
bizhub C654/C754 Trademarks Licenses User Guide - Page 69

...such modifications, if you make a good faith effort to ensure that displays copyright notices during execution, include the copyright notice for portions of ...General Public License. Combined Works. The "Corresponding Application Code" for a Combined Work means the object code and/or source code for reproducing the Combined Work from Library Header Files..... bizhub C754/C654 7-37
bizhub C654/C754 Trademarks Licenses User Guide - Page 96

... FOR A PARTICULAR PURPOSE. "Commercial use" means use , copy, modify, and distribute this...FundsXpress. bizhub C754/C654 7-64 All rights reserved. not be given). Individual source code files..., All Rights Reserved WARNING: Retrieving the OpenVision Kerberos Administration system source code, as described below...so, recognition of their trademark status should be used in advertising or...
bizhub C654/C754 About This Machine User Guide - Page 6

..., or label sheets. bizhub C754/C654 1-3 Name Description 10...machine has stopped. Indicates the status of plain paper. Allows you to load up to 750 sheets of Thick 1, 500 sheets of Thick 1+, 450 sheets of Thick 2, 400 sheets of Thick 3, 200 sheets of postcards (4 e 6 (A6 Card)). 21...orange. 29 Status Indicator (Warning or stop ...28 Power key Press this key to switch to lock the Automatic ...
bizhub C654/C754 Copy Operations User Guide - Page 220

...Code 17-68 Glossy 15-16 Gradation Adjustment 17-23 Green 15-23 H Half-Fold Position 17-14 HDD Encryption Setting 17-67 HDD Lock Password 17-66 HDD Settings 17-65 Header/Footer 15-45 Header/Footer Settings 17-28... 17-21 Initialize 17-62 Input Machine Address 17-34 Insert Image 15-39 Insert Sheet 15-38 Install License 17-69 J Job History Thumbnail Display 17-...bizhub C754/C654 18-5
bizhub C654/C754 Troubleshooting User Guide - Page 77

... server certificate has timed out (EAP-TLS/EAP-TTLS/PEAP). The hard disk path is not specified. bizhub C754/C654 11-4 Failed to check for the certificate verification (PKI) function (EAP-TLS/EAP-TTLS/PEAP). The.../EAPTTLS/PEAP). 11.3 Error code list 11.3 Error code list Functions IEEE802.1X 11 Code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ...
bizhub C654/C754 Web Management Tool User Guide - Page 3

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bizhub C654/C754 Web Management Tool User Guide - Page 7

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bizhub C654/C754 Web Management Tool User Guide - Page 10

... [SSDP Settings]...17-27 [Detail Settings] ...17-27 [Device Setting] ...17-28 [Time Adjustment Setting]...17-28 [Status Notification Setting] ...17-29 [Total Counter Notification Settings 17-29 [PING Confirmation] ...17-30 [SLP Setting] ...17-30 [LPD Setting] ...17-30 [Prefix/Suffix Setting] ...17-30 [Error Code Display Setting]...17-31 [IEEE802.1x Authentication Settings 17...
bizhub C654/C754 Web Management Tool User Guide - Page 298

...select [Maintenance] - [Status Notification Setting] - [E-mail Address] - [Edit], then configure the following settings. To send the machine status via E-mail Overview If a warning such as setting of ... the E-mail address of them occurs. bizhub C754/C654 14-18 14.4 Notifying of the machine status via E-mail 14 14.4 Notifying of the machine status via E-mail, follow the below procedure...
bizhub C654/C754 Web Management Tool User Guide - Page 415

... server address. 17 Settings [Device Setting] [Time Adjustment Setting] [Status Notification Setting] [Total Counter Notification Setting] [PING Confirmation] [SLP Setting] [LPD Setting] [Prefix/Suffix Setting] [Error Code Display Setting] Description Check the MAC address of IP address (IPv6) entry: "fe80::220:6b.:fe10:2f16" bizhub C754/C654 17-28 Select the network speed...
bizhub C654/C754 Web Management Tool User Guide - Page 426

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Log Management Utility User Guide - Page 54

... again. 9007 The device is being used. Error message list 6 6 Error message list An error message may appear while Log Management Utility is in security protect status. 303, 306, 3200, 4000-4010, 9004, Change settings, then try again. 9011, 9014 9005, 9012 Wait a short period, then try again. 20, 21, 24-27, 30...

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