Ricoh Ri 1000 Manuel de dépannage - Page 24
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1. Check the ambient temperature and humidity.
2. Make sure the readings are within the ranges for optimum operation of the machine.
(See installation").
975
Right Ink Sump Full DFU
The count prescribed for the right ink sump has expired
1. Replace right ink sump.
976
Air Detection Frequency Error 1: Initialization
The occurrences of air detection in the print head ink tanks by the terminal pins have
exceeded the number allowed within a 10 day period after installation or replacement of
the carrier unit. 30 occurrences allowed per month.
• Print head tank not sealed correctly
1. Replace carriage unit.
977
Air Detection Frequency Error 2
The occurrences of air detection in the print head tanks by the terminal pins exceeded
the number of detections twice within a one-month period. 30 occurrences allowed per
month.
• The print head tank is worn out, and there is a slow leak due to poor seals.
1. Replace carriage unit.
978
Left Ink Sump Full DFU
The left ink sump on the left side of the printer is full.
Note: A software counter monitors the usage of the ink sump. There are no sensors
associated with the ink sump.
1. Cycle printer on/off, check result.
2. Push [Menu], select "List/Test Print" then push [#Enter] to print the System Summary.
3. Check the Total Counter reading of the System Summary.
4. Replace the left ink sump.
979
Ink Supply Timeout DFU
• This error code is issued if full auto cleaning is done before the bubbles inside the print
head are consumed (within 24 hours after power on).
• Cycle the machine off/on
980
Carriage Position Lever Error DFU
981
Version Error DFU