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Outlet sensor
Exit roller
Heat roller
Transfer roller
Paper sensor
Registration roller
Inlet sensor 1
Inlet
sensor 2
Toner
sensor
Paper
end sensor
Hopping
roller
Paper running direction
[JAM error]
2-1 Paper input jam
• Does the JAM error occur when the power is turned on?
• Yes Is the paper at the inlet sensor?
• Yes Remove the paper.
▼
• No Is the operation of the inlet sensor lever normal (moves freely when
touched)?
• No Replace the inlet sensor lever.
▼
• Yes Clean the inlet sensor on the power supply board, or replace the power
supply board.
▼
• No Does the JAM alarm occur after paper feeding?
• Yes Is the paper fed to the inlet sensor lever?
• Yes Is the operation of the input sensor lever normal (moves freely when
touched)?
• No Replace the inlet sensor lever.
▼
• Yes Clean the inlet sensor on the power supply board or replace the power supply
board.
▼
• No Replace the hopping roller rubber or separator assy.
▼
• No Is the hopping roller rotating?
• Yes Set the paper tray properly.
▼
• No Is the registration motor rotating?
• Yes Replace the one-way clutch gear of the hopping roller assembly.
▼
• No Is connector CN3 on the control board being connected
properly?
• No Connect connector CN3 properly.
▼
• Yes Is the coil resistance (normal resistance: about
18.6 Ω) of the registration motor normal (see 7.3)?
• No Replace the registration motor.
▼
• Yes Replace the Main Control PCB.
