Epson STYLUS PRO 9400 - Remedies for Warning Messages

EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Troubleshooting Troubleshooting based on Panel Messages 178
3.2.2 Remedies for Warning Messages
When a Warning error occurs, the printer displays a Warning message instead of
“READY” or “PRINTING” messages, however, it does not interfere with printing
operation.
The Warning message does not disappear unless the cause of it is eliminated.
The following tables explains the Warning messages and remedies.
MAINTENANCE TANK NEARLY FULL
INK LOW
MAINTENANCE REQUEST XXXX

Description
A maintenance is required.
 LED Indication
Paper Check LED: Lights for a moment at intervals of five seconds.
 Displayed Code
The “NNNN” is a hexadecimal code which correspond to the bit numbers assigned
to error conditions as shown in the table below.
Note "*": The bit number is reserved.
 Description
The most of the MAINTENANCE REQUEST errors indicate near-end of life
status of the part or unit.
Item Description
Description The Maintenance Tank is in near full state
LED Indication Ink Check LED: Flashing
Cause Remaining space of the Maintenance Tank became lower than 10
percent of its full capacity.
Remedy Replace the Maintenance Tank with a new one.
Item Description
Description The remaining amount of ink is low.
LED Indication Ink Check LED: Flashing
Cause The remaining amount of ink became lower than the specified value.
Remedy Replace the ink cartridge with a new one.
Table 3-3. Bit Assignments
Bit Assigned Error Condition Remark
0 The waste ink tank reached its end of life. This does not occur on the printer.*
1 The CR Motor reached its end of life. The number of carriage movement
cycles reached the specified value.
2 Ignores nozzle check error This does not occur on the printer.*
3 Battery exhaustion The RTC backup battery run down.
4 Dot missing detection device AGC error This does not occur on the printer.*
5 Head Unit reached its end of life. This does not occur on the printer.*
6 The Cleaning Unit reached its end of life. The pump counter reached the
specified upper limit.
7 The date and time has not been set. ---
8 A momentary drop in voltage of the RTC
backup battery
---
9 The Paper Feed Roller reached its end of
life.
This does not occur on the printer.*
10 The Pressure Pump reached its end of life. The Pressure Pump counter reached
the specified upper limit.
11-31 Reserved ---