2RV/2RW/2RX/2RY/3RA-3
7-75
C0800: Print sequence error
Print sequence jam (J010x) occurred twice consecutively.
C0840: RTC error ("Time for maintenance T" appears)
<Check at start-up>
• RTC value has returned to the past
• No power was supplied for 5 years or more
• RTC setting value is older than 2000/01/01
<Checked regularly at every 5 minutes>
• RTC has returned to the past than the previous check • After C0840 was detected and the main power was
reset for partial operation, [Time for Maintenance T] is displayed
2 Checking the main/engine
PWB
The connector is not con-
nected properly or the wire
or main/engine PWB is
faulty.
Reconnect the connector of
the main/engine PWB. If the
wire is pinched or scratched,
repair or replace it. If not
repaired, replace the main/
engine PWB.
Step Check description Assumed cause Measures Reference
1 Resetting the main power The main/engine PWB
does not correctly operate.
Turn off the power switch and
unplug the power cord. After
5s passes, reconnect the
power cord and turn on the
power switch.
2 Checking the main/engine
PWB
The connector is not con-
nected properly or the wire
or main/engine PWB is
faulty.
Reconnect the connector of
the main/engine PWB. If the
wire is pinched or scratched,
repair or replace it. If not
repaired, replace the main/
engine PWB.
Step Check description Assumed cause Measures Reference
1 Setting the RTC RTC is not properly set. Set the RTC in the System
Menu.
2 Reattaching the main/
engine PWB
The main/engine PWB is
not correctly attached.
Retighten the screws for the
main/engine PWB.
3 Checking the main/engine
PWB
The connector is not con-
nected properly or the wire
or main/engine PWB is
faulty.
Reconnect the connector of
the main/engine PWB. If the
wire is pinched or scratched,
repair or replace it. If not
repaired, replace the main/
engine PWB.
Step Check description Assumed cause Measures Reference
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