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40930701TH DRAFT Vesion 138 /
[JAM error]
2-1 Paper input jam (1st tray)
• Does a jam error occur when the power is turned on?
• Yes Is the paper at the inlet sensor lever?
• Yes Remove the paper.
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• No Does the inlet sensor lever operate smoothly?
• No Replace the inlet sensor lever
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• Yes Clean the inlet sensor 1 on the Power Supply Unit (High
Voltage) or replace the Power Supply Unit (High Voltage).
(See Figure 2.3 Sensor Layout Diagram.)
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• No Does jam eror occur after paper feeding?
• Yes Is the paper fed on the inlet sensor lever?
• Yes Does the inlet sensor lever operate smoothly?
• No Replace the inlet sensor lever.
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• Yes Clean the inlet sensor 1 on the Power Supply Unit (High Voltage) or
replace the Power Supply Unit (High Voltage). (See Figure 2.3
Sensor Layout Diagram.)
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• No Replace the hopping roller assembly or paper cassette assembly.
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• No Is the hopping roller rotating?
• Yes Set the paper cassette properly.
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• No Is the hopping motor rotating?
• Yes GEAR ASSY-CLUTCH (Z50) turned ON ?
• No Is a cable and connector securely connected between GEAR ASSY-
CLUTCH and MAIN BOARD ?
• No Connect the cable firmly. Is the printer recoverd?
• YES END
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• No Replace the GEAR ASSY-CLUTCH (Z50).
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• Yes Replace the Frame Assy-Hopping.
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• No Are the cable and connector between the hopping motor and the Main board
connected properly? (See Chapter 7.1.)
• No Connect each connector properly or replace the nylon connector cord (white: 9
pins).
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• Yes Is the coil resistance (normal resistance: about 6.7 Ω) of the hopping motor
normal?
• No Replace the hopping motor.
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• Yes Replace the Main board.
A