Troubleshooting - Sharp AM-900 Service Manual

AM-900U

[8] Troubleshooting

1. Printer error code
SYSTEM ERROR [P1]
SYSTEM ERROR [P2]
SYSTEM ERROR [P3]
SYSTEM ERROR [P4]
SYSTEM ERROR [P5]
SYSTEM ERROR [P6]
SYSTEM ERROR [P7]
2. Scanner error code
SYSTEM ERROR [S1]
The roller sensor could not detect its home position
after driving the pick up motor for the specified period.
The roller sensor could not become NOT-Active after
passing the specified period from picking up paper.
The printer controller detected the optical unit (LSU)
error.
The external interrupt signal for optical unit (LSU) or
High-voltage control did not become active after
passing the specified period.
Thermistor error was detected.
ROM or RAM error was detected on the printer
control unit.
High temperature error was detected.
Low temperature error was detected.
Communication error between the main controller
and the printer controller was detected.
The scanner unit could not detect change point of
home postion. (ON -> OFF or OFF -> ON)
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