Remedies For Maintenance Requests - Epson Stylus Pro 7700 Service Manual

Large format color inkjet printer
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Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908

3.5 Remedies for Maintenance Requests

This section describes the remedies for maintenance requests. Maintenance requests do not effect the printer's operation; therefore, you can continue the current printing. When a maintenance
request error occurs, the printer displays on the LCD a hexadecimal code of "NNNN" which correspond to the bit numbers assigned to error statuses as shown in the table below.
0
1
2
3
4
5
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Ex.
0
0
0
1
0
0
Note : Ex): When "Maintenance Request 0088" is displayed.
As "0088" in hexadecimal means "1000 1000" in binary, you can find out the code is assigned to Bit-3 and Bit-7 referring to the above table. In this case, two errors are
occurring simultaneously. (Bit-3: battery exhaustion/ Bit-7: the date and time has not been set.)
Note *1: This call occurs only to Epson Stylus Pro 7900/7910/9900/9910/WT7900/WT7910/9890/9908/7890/7908.
TROUBLE SHOOTING
Table 3-3. About the Maintenance Request NNNN
Bit assignment (Binary)
6
7
8
9
10
11
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
Remedies for Maintenance Requests
NNNN
(Hexa-
13
14
15
decimal)
The CR scan pass counter has come near the
0
0
0
0002
specified life. (ink supply tube has come near
its end of life.)
0
0
0
0008
The RTC backup battery becomes exhausted.
0
0
0
0010
Refer to
Page
130.
The pump counter has come near the
0
0
0
0040
specified life.
0
0
0
0080
The date has not been set.
The number of replacement counter of the ink
cartridges has come near the specified life.
0
0
0
0800
(the life of the waste ink pad attached to the
ink cartridge holder)
The number of operation counter of the Ink
0
0
0
1000 *1
Selector has come near the specified life.
0
1
0
4000
Refer to
Page
130.
0
0
1
8000
Refer to
Page
130.
The RTC backup battery becomes exhausted
0
0
0
0088
and the date has not been set.
Cause
Replace the Ink Tube (L & R) with a new one, and
clear the counter using the Service Program.
Replace the battery with a new one, and execute
RTC initialization using the Service Program.
Replace the Ink System Unit and clear the life
counter using the Service Program.
Execute RTC initialization using the Service
Program to set date and time.
Check if the waste ink pads attached to the
ink cartridge holders are contaminated. If it
has already absorbed a considerable amount
of ink, exchange the ink cartridge holder (L
and R), and clear the counter using the
Service Program.
Replace the Ink Selector, and clear the counter
using the Service Program.
Install a battery, and execute RTC initialization
using the Service Program to set date and time.
Revision I
Remedy
129
Confidential

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