• Part number 40X9999 has been replaced with 40X9215.
• Old part number 40X9215 has been replaced with 40X9685.
• Updated the Control panel removal topic in the Repair information chapter.
• Added the Speaker removal topic in the Repair information chapter.
August 27, 2014
• Added the following Fixing image quality issues topics:
– Initial image quality check
– Flatbed scanner image quality check
August 13, 2014
• Printer motor tests, 2 x 500-sheet tray motor tests, 2500-sheet tray motor tests, and 3000‑sheet tray motor tests
were revised to include steps for enabling safe mode.
• Control panel 2 parts catalog assembly was added, with new FRUs.
– 41X0452 (Control panel cover assembly)
– 41X0455 (Control panel UICC)
– 41X0453 (Control panel cable kit)
– 41X0454 (Control panel touch‑screen display)
• Photoconductor cleaner was renamed ‘Printhead cleaner’.
• Updated the control panel removal topic in the Repair chapter.
July 7, 2014
• Diagnostic information topics were added or revised.
– Bullet for cleaning the photoconductor unit and printhead was added to Initial print quality check
– Power requirement specifications was included in the 2nd bullet of Initial print quality check
– Checking of pick, feed, and separator rollers have been removed for print quality checks. Transfer roller will be
checked instead.
• Repair information topics were added or revised.
– Step for removing the front inner cover has been included to the Printhead removal
– Fuser connector cover removal—topic was deleted.
– Registration transport assembly removal—additional cables disconnected before removing the assembly.
– Front inner cover removal—callout to screws were revised.
– Toner agitator removal—additional cables disconnected before removing the assembly.
– Input options interface cover removal—topic was deleted.
– Sensor (2500‑sheet tray transfer guide, home) removal
– Step for removing the upper rear cover has been included to the Upper rear cover removal.
– Steps for removing the center cable guide bracket and high voltage board has been included to the Main drive
assembly removal.
– Sensor (2500‑sheet tray set) removal
• Imaging unit has been renamed to Transfer belt unit
7421
Preface
28
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