7–6
SERVICE MODE
D. I/O Mode (‘2’)
• To start I/O display mode, press ‘2’ (numeric keypad) and then the AE key.
• To select an item, press the appropriate number on the numeric keypad and then the Start key.
• To deselect an item, press the Clear key.
• A press on the Start key while a description of the selected service mode is indicated will execute
appropriate copying operations.
No.
206
207
208
210
211
212
213
214
215
216
217
218
219
220
221
222
Item
Fixing main thermistor (TH1)
voltage display
Fixing sub thermistor (TH2) voltage
display
AE sensor voltage display
Multifeeder paper width sensor
voltage display
Light adjustment sensor voltage
display
Copy density correction knob
Toner Sensor
Port C digit 1 display
Port C digit 2 display
Port C digit 3 display
Port C digit 4 display
Port C digit 5 display
Port C digit 6 display
Port C digit 7 display
Port C digit 8 display
Port C digit P0 display
Description
Indicates the detected voltage in ‘0’ through ‘255’.
Indicates the detected voltage in ‘0’ through ‘255’.
Indicates the detected voltage in ‘0’ through ‘255’.
Indicates the detected voltage in ‘0’ through ‘255’.
Indicates the detected voltage in ‘0’ through ‘255’.
Indicates the detected voltage in ‘0’ through ‘255’.
Indicates the detected voltage in ‘0’ through ‘255’.
Starting the mode causes part of the copy count indica-
tor to turn ON, representing the I/O state of the input
port.
Starting the mode causes part of the copy count indica-
tor to turn ON, representing the I/O state of the input
port.
Starting the mode causes part of the copy count indica-
tor to turn ON, representing the I/O state of the input
port.
Starting the mode causes part of the copy count indica-
tor to turn ON, representing the I/O state of the input
port.
Starting the mode causes part of the copy count indica-
tor to turn ON, representing the I/O state of the input
port.
Starting the mode causes part of the copy count indica-
tor to turn ON, representing the I/O state of the input
port.
Starting the mode causes part of the copy count indica-
tor to turn ON, representing the I/O state of the input
port.
Starting the mode causes part of the copy count indica-
tor to turn ON, representing the I/O state of the input
port.
Starting the mode causes part of the copy count indica-
tor to turn ON, representing the I/O state of the input
port.
Table 7-708
Summary of Contents for NP6621
Page 4: ...ii ...
Page 8: ...vi ...
Page 48: ...3 2 IMAGE FAULTS ...
Page 49: ...3 3 IMAGE FAULTS NOT USED ...
Page 50: ...3 4 IMAGE FAULTS B Image Fault Samples not available ...
Page 80: ...4 16 TROUBLESHOOTING MALFUNCTIONS ...
Page 134: ...A 4 APPENDIX ...
Page 135: ...A 5 APPENDIX C GENERAL CIRCUIT DIAGRAM not available ...
Page 136: ...A 6 APPENDIX ...
Page 144: ...A 14 APPENDIX ...