ریکوRicoh FT6750
11 Exposure lamp
13 Exposure lamp
14 Electrical frequency problem
21 Scan problem
22 Scan problem
24 Scan home problem
25 Scan drive motor problem
26 Scan problem during simulation V1 adjustment (SP mode 67)
27 Scan problem during simulation
28 Lens home problem
29 Lens home problem
2A Mirror home sensor
2B Mirror home sensor
2D Scan drive problem or fuse 5 on optics board
31 Drum thermistor
41 Tray lift
42 2nd tray lift
43 3rd tray lift
53 Fuser thermistor problem
54 Fuse temperature low
55 Fuser temperature too high
56 Fuser temperature low
57 Fuser lamp on too long
58 Fuser temperature erratic
61 Main drive problem, or fuse 1 or fuse 6 on main motor board
62 Developer drive problem, or fuse 1 on developer motor drive board
81 Duplex jogger home sensor
82 Duplex jogger home sensor
85 Charge corona cleaner problem
86 Charge corona cleaner problem
87 Transfer/separator corona cleaner unit not working
88 Transfer/separator corona cleaner unit not home
91 Total counter
B1 Sorter shift tray
B2 Sorter shift motor
B3 Sorter shift tray up/down motor
B4 Stapler transport motor
B5 Stapler lift motor
B6 Stapler drive motor
B7 Stapler jogger motor
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