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OPERATIONS AND TIMING
COPYRIGHT
©
1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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.
101
103
104
105
106
107
108
109
110
112
113
114
116
120
121
123
Service mode
Jam location
Primary current buffer display
Primary charging voltage display
Primary current display
Intensity display
Jam history
Error history (E indications)
Fixing main thermistor (TH1) detection
temperature
Fixing target temperature
AE sensor output
ROM version No.
ROM release No.
AE scan intensity display
Jam interval
Jam paper size data
Jam document handler copying data
Description
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’, ‘3’, ‘4’, ‘5’, ‘6’, ‘7’, ‘8’, ‘9’, or ‘0’
key on the numeric keypad will indicate the either of
most recent 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 3-602