Control Display Mode ('1'); Unit: V - Canon NP6621 Service Handbook

C. Control Display Mode ('1')
• 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. Service mode
101 Jam location
103 Primary current buffer display
104 Primary charging voltage display
105 Primary current display
106 Intensity display
107 Jam history
108 Error history (E indications)
109 Fixing main thermistor (TH1) detection
temperature
110 Fixing target temperature
112 AE sensor output
113 ROM version No.
114 ROM release No.
116 AE scan intensity display
120 Jam interval
121 Jam paper size data
123 Jam document handler copying data
Indicates the jam location on the copy counter
indicator. (See the next page.)
unit: µA

unit: V

To obtain the actual primary charging voltage, put the
indicated value into negative and subtract 1000.
unit: µA
unit: lux
To obtain the actual intensity (lux), divide the indi-
cated value by 100.
See the next page.
Indicates a history of the most recent ten errors. A
press on the '1', '2', or '3', '4', '5', '6', '7', '8', '9' or '0'
key on the numeric keypad will indicate either of the
most recent, second most recent, or through tenth
most recent error.
unit: °C
unit: °C
Normal if the value changes for each original when
making copies in AE.
Indicates the parts revision number of the ROM.
Indicates the version of the program.
Normal if between '68' and '72'.
Table 7-702
SERVICE MODE
Description
7–3