Epson 680Pro Service Manual - Page 51

Troubleshooting with LED Error Indications, EPSON Stylus COLOR 680/777/777i, Revision B

Get Epson 680Pro - LQ B/W Dot-matrix Printer PDF manuals and user guides
UPC - 010343832138
View all Epson 680Pro manuals
Add to My Manuals
Save this manual to your list of manuals

Page 51 highlights

EPSON Stylus COLOR 680/777/777i 3.2 Troubleshooting with LED Error Indications This section describes how to troubleshoot the problem when the printer indicates an error at power on and can not print. The Stylus COLOR 680/777/777i can detect the following six errors and seven status, and indicates them with the LEDs, as shows below. Table 3-3. Error Indicator of Operation Panel Printer Status Indicators Power Error Priority Power ON condition On - 10 Ink sequence Blink - 6 Ink Cartridge change mode Blink - 5 Data processing Blink - 9 Paper Out - On 4 Paper jam condition - On 3 Ink end (Black) - On -> Blink 8 Ink level low (Black) - Blink 8 Ink end (Color) - On -> Blink2 8 Ink level low (Color) - Blink 8 Ink end (Black and Color) - Blink -> Blink 8 No Ink Cartridge (Black and Color) - On 7 Maintenance request (Ink Overflow Counter error) Alt Blink Alt Blink 2 Fatal error Off On 1 "-": Indicator status don't change. " A -> B " : A is a indicator condition when carriage is on Home Position. B is a indicator condition in Ink exchange sequence. Revision B See the following tables which show the error conditions and corresponding possible causes: Table 3-4. Error Condition and possible cause Symptom Possible Cause Check table Paper out error indication (Paper is not loaded correctly) Paper jam error indication No I/C or Ink Out error indication Multiple papers are always loaded Paper is always loaded without any print job Fatal error indication • The friction of the LD roller is lowered due to the paper dust. • The clutch mechanism is broken. • Tension spring 0.143 come off in the clutch mechanism. • Compression spring 0.98 comes off. • Tip of Change lever has any damage. • PF motor is broken. • Star wheel assembly is not assembled on the Paper eject frame. • The Spur gear 15 is not assembled correctly. • The paper guide front is not assembled correctly or has any damage. • The PE detection lever dose not move smoothly. • The paper return plate dose not work correctly. Table 3-5 Table 3-6 Table 3-7 Table 3-8 Table 3-9 Table 3-10 Table 3-12 • The Change lever is broken in the Clutch mechanism. Table 3-13 • HP sensor lever or PE sensor lever dose not move smoothly. • HP/PE sensor is defective. • CR motor is defective. • PF motor is defective. • Main board is defective. • Printer Housing dose not secured with screw on -the printer mechanism. Table 3-14 Table 3-15 Table 3-16 Troubleshooting Troubleshooting with LED Error Indications 51

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
EPSON Stylus COLOR 680/777/777i
Revision B
Troubleshooting
Troubleshooting with LED Error Indications
51
3.2 Troubleshooting with LED Error Indications
This section describes how to troubleshoot the problem when the printer indicates an
error at power on and can not print. The Stylus COLOR 680/777/777i can detect the
following six errors and seven status, and indicates them with the LEDs, as shows
below.
"
-":
Indicator status don't change.
" A -> B " : A is a indicator condition when carriage is on Home Position.
B is a indicator condition in Ink exchange sequence.
See the following tables which show the error conditions and corresponding
possible causes:
Table 3-3. Error Indicator of Operation Panel
Printer Status
Indicators
Priority
Power
Error
Power ON condition
On
-
10
Ink sequence
Blink
-
6
Ink Cartridge change mode
Blink
-
5
Data processing
Blink
-
9
Paper Out
-
On
4
Paper jam condition
-
On
3
Ink end (Black)
-
On -> Blink
8
Ink level low (Black)
-
Blink
8
Ink end (Color)
-
On -> Blink2
8
Ink level low (Color)
-
Blink
8
Ink end (Black and Color)
-
Blink -> Blink
8
No Ink Cartridge (Black and Color)
-
On
7
Maintenance request
(Ink Overflow Counter error)
Alt Blink
Alt Blink
2
Fatal error
Off
On
1
Table 3-4. Error Condition and possible cause
Symptom
Possible Cause
Check table
Paper out error indication
(Paper is not loaded
correctly)
•
The friction of the LD roller is lowered due
to the paper dust.
•
The clutch mechanism is broken.
•
Tension spring 0.143 come off in the clutch
mechanism.
•
Compression spring 0.98 comes off.
•
Tip of Change lever has any damage.
•
PF motor is broken.
Table 3-5
Table 3-6
Table 3-7
Paper jam error indication
•
Star wheel assembly is not assembled on
the Paper eject frame.
•
The Spur gear 15 is not assembled
correctly.
•
The paper guide front is not assembled
correctly or has any damage.
•
The PE detection lever dose not move
smoothly.
Table 3-8
Table 3-9
Table 3-10
No I/C or Ink Out error
indication
•
•
•
•
Multiple papers are always
loaded
•
The paper return plate dose not work
correctly.
Table 3-12
Paper is always loaded
without any print job
•
The Change lever is broken in the Clutch
mechanism.
Table 3-13
Fatal error indication
•
HP sensor lever or PE sensor lever dose not
move smoothly.
•
HP/PE sensor is defective.
•
CR motor is defective.
•
PF motor is defective.
•
Main board is defective.
•
Printer Housing dose not secured with
screw on -the printer mechanism.
Table 3-14
Table 3-15
Table 3-16