APPENDIX (I)
TEST MODE
GR3770 APX(I)-4
No. Test Component Detection Status Remarks
41 Paper feed cassette sensor 1 Magnetism is detected.
42 Paper feed cassette sensor 2 Magnetism is detected.
43 Paper feed cassette sensor 3 Magnetism is detected.
44 Paper feed cassette sensor 4 Magnetism is detected.
45 Original OUT sensor This sensor is operated (for original provided.) Only to ADF unit
mounting type.
46 ADF switch This switch is pressed. Only to ADF unit
mounting type.
47 Master detection sensor Reflected light detected (for master provided.)
48 Master loading sensor Reflected light detected (for master provided.)
49 Scanner home position sensor Light path is blocked. Only to FB type.
50 Scanner ADF shading sensor Light path is blocked. Only to FB type.
51 Stage cover sensor Light path is blocked (for closure.) Only to FB type.
52 FB original detection sensor Reflected light detected (for original provided.) Only to FB type.
53 Pressure control sensor Light path is blocked (for metal plate provided.)
54 Disposal box master sensor Light path is blocked (for master provided.)
(Master removal detection sensor)
55 Bottle set switch 1 This switch is pressed.
56 Bottle set switch 2 This switch is pressed.
57 Bottle set switch 3 This switch is pressed.
58 Battery detection signal Battery is provided.
59 Option PCB detection signal Option PCB is provided.
3. TESTING MOTOR AND SOLENOID
Every pushing of <START> key turns the following ON/OFF:
No. Test Item Remarks
60 15rpm drum rotation
61 30 rpm drum rotation
62 Variable speed drum rotation
63 Unused
64 Separation fan
65 Write pulse motor
66 Loading pulse motor
67 Paper feed clutch Paper feed clutch sensor is held ON and Stack paper feed SW OFF.
68 Pressure solenoid
69 Suction fan
70 Master removal fan
71 Master removal vertical transport motor
71 Master removal solenoid
72 Loading fan
73 Clamp solenoid Applicable only to 300/400dpi types.
73 Lock solenoid Only to 600dpi type.
74 Lock solenoid Only to 300/400dpi type.
74 Clamp motor open direction Only to 600dpi type. Pull out Drum.
75 Clamp motor close direction Only to 600dpi type. Pull out Drum.
76 Original pickup solenoid Only to ADF unit mounting type.
77 Thermal power control
78 Original pickup motor Only to ADF unit mounting type.
79 Image scanner LED lighting
80 Wing motor
Main motor safety SW has to be held pressed.
No.62 serves as <Print Speed Adj.> key to vary speed.
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