November 15, 2013
• Updated description for PN 40X8555 in the parts catalog.
October 17, 2013
• Replaced PN 40X7634 with PN 40X7579 in the parts catalog.
October 2, 2013
• Added the front toner door pivot bracket (40X8674) in the parts catalog.
September 16, 2013
• Updated the printhead removal topic in the Repair information chapter.
August 19, 2013
• Updated the installation note in the controller board removal topic.
August 8, 2013
• Added the topic “Steps before starting the 9yy service checks” in the Diagnostics chapter.
• Updated the 550‑sheet and 650‑sheet trays input options symptoms.
• Added the 550 and 650 input option service check group and topics.
• Updated the “Tray (x) sensor service check” topic.
• Added the “Restoring the printer configuration after replacing the controller board” topic under the Removal
precautions.
July 22, 2013
• Updated the description for Left Margin under Registration.
July 5, 2013
• Updated the ADF paper jam service check.
• Added the following service checks:
– Invalid firmware/controller board service check
– Memory failure service check
– Download emulation cyclic redundancy check
– Standard network/network card service check
– ADF rattling noise
June 4, 2013
• Added BSD model name (XC2132) in the parts catalog.
April 1, 2013
• Updated the Safety information topic.
• Added an installation note to the “Printhead removal” topic in the Repair information chapter.
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