THE KNOWLEDGE SPOT

CLT, Inc's customer support knowledge base for easier copier and printer repair

May 18, 2017

Are you being charged for color pages when your printing black-and-white? 

Your color printing device prints the color black in one of two ways: composite black or true black. The below side-by-side comparison simulates the difference you might see in...

May 18, 2017

  • HP Officejet 6812

  • HP Officejet 6815

  • HP Officejet 6820

  • HP Officejet Pro 6230

  • HP Officejet Pro 6830

  • HP Officejet Pro 6835

There is a problem with the printhead error message displays on the printer control panel or comput...

May 5, 2017

Replace the Intermediate Belt Transfer (IBT) Cleaner

A message will be displayed on the Control Panel when the Transfer Belt Cleaner needs to be replaced.

  1. Make sure the machine has stopped copying / printing.

  2. Open the Front Cover of the printe...

May 5, 2017

The supply life counters must be reset when some supplies are replaced.

  1. Login as the System Administrator. User Name is "admin" and the password is "1111"

  2. Press the [Log In / Out] button on the Control Panel, enter the System Administrator lo...

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How to Avoid Counterfeit Supplies

July 26, 2018

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October 31, 2019

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