B245/B276/B277/B268/B269 Service Manual 18-Jan-06
189
Test Patterns Using SBU
No. Pattern
51 Grid Pattern (double dot)
52 Gray scale 1 (256 grades)
53 Gray scale 2 (256 grades)
Paper Jam Counters (SP 7504)
The table lists the menu numbers (the last three digits of SP 7504 XXX) and the paper jam
timings and locations.
Code
001 Paper jam occurs at power on.
010 Paper does not reach the registration sensor (from a paper tray).
011 Paper does not reach the relay sensor.
012 Paper is caught at the relay sensor.
021 Paper does not reach the vertical transport sensor.
022 Paper is caught at the vertical transport sensor.
031
Paper does not reach the vertical transport sensor in the optional paper feed
unit.
032 Paper is caught at the vertical transport sensor in the optional paper feed unit.
050 Paper does not reach the registration sensor (from the by-pass tray).
060
Paper does not reach the registration sensor during reverse-side printing (for
duplex printing).
070 Paper is caught at the registration sensor.
120 Paper is caught at the exit sensor (previous page).
121 Paper does not reach the exit sensor.
122 Paper is caught at the exit sensor.
123 Paper does not reach the duplex inverter sensor (from the registration roller).
125 Paper is caught at the duplex inverter sensor.
126 Paper does not reach the duplex entrance sensor.
127 Paper is caught at the duplex entrance sensor.
128 Paper does not reach the duplex exit sensor.
129 Paper is caught at the duplex exit sensor.
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