Drive System Related Service Call - Toshiba e-STUDIO 2555C Service Manual

8.3.13

Drive system related service call

[C020] Developer drive motor abnormality
Classification
Drive system related service
call
Check item
Developer unit
Development drive unit/Paper
feeding drive unit
Paper feeding/developer unit
drive motor
Drum TBU drive unit
LGC board
1st/2nd drawer feed roller
Bypass unit
Paper feeding drive section
Transport roller
Parts to be replaced
Developer unit
Feeding/developing drive unit
Paper feeding/developer unit drive
motor
Drum TBU drive unit
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
Developer drive motor abnormality: The developer drive motor is
not rotating normally.
• Check if the developer material is caked.
• Check if there is any abnormality in the row of gears on the rear
side of the developer unit.
• Check if the amount of developer material is proper.
• Check if there is any foreign matter between the gears.
• Check if there is any damage on the gear tooth surface.
• Check if there is any scratch on the caliber or the shaft of each
gear.
• Check if the proper amount of grease is applied to the caliber or
the shaft of each gear.
• Check if there is any damage to the developer drive output
coupling.
• Check that the motor is rotated normally. (03-112)
• Connector check
• Harness check
• Check if there is any foreign matter in the row of the color
developer drive gears.
• Check if there is any damage on the tooth surface of the color
developer drive gears.
• Check if there is any scratch on the caliber or the shaft of each
color developer drive gear.
• Check if the proper amount of grease is applied to the caliber or
the shaft of each color developer drive gear.
• Check if there is any damage to the developer drive output
coupling.
• Board check
• Connector check (CN391, CN392)
• Harness check
• Check if the 1st drawer feed roller is overloaded.
• Check if there is any damage to the roller coupling.
• Check if the bypass feed roller is overloaded.
• Check if there is any damage to the row of the bypass unit
gears.
• Check if there is any foreign matter between the gears.
• Check if there is any damage on the gear tooth surface.
• Check if there is any scratch on the caliber or the shaft of each
gear.
• Check if the PFU transport roller is overloaded.
© 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
8 - 120
Error content
Measures
Remark