IBM 6400 Series Maintenance Manual

61Troubleshooting
Operator Panel Message
Troubleshooting
Procedure
089 RIBBON STALL Page 92
090 SHUTTLE COVER OPEN
CLOSE SHUTTLE COVER
Page 93
092 RIBBON DRIVER CIRCUIT Page 93
101 UPPER DRIVER SHOR T Page 94
102 LOWER DRIVER SHOR T Page 94
105 HAMMER COIL <number> OPEN Page 94
107 HAMMER COIL <number> HOT Page 95
110 ST ACK OVERFLOW
SEE USER’S GUIDE
Page 96
111 ST ACK UNDERFLOW
SEE USER’S GUIDE
Page 96
1 12 UNDEFINED OPCODE
SEE USER’S GUIDE
Page 96
113 PROTECTED INSTRUCTION
SEE USER’S GUIDE
Page 96
1 14 ILLEGAL OPERAND ACCESS
SEE USER’S GUIDE
Page 97
115 ILLEGAL INSTRUCTION ACCESS
SEE USER’S GUIDE
Page 97
1 16 ILLEGAL EXTERNAL BUS ACCESS
SEE USER’S GUIDE
Page 97
117 A T O D OVERRUN
SEE USER’S GUIDE
Page 97
118 UNDEFINED INTERRUPT
SEE USER’S GUIDE
Page 98
119 TCB CORRUPTED
SEE USER’S GUIDE
Page 98
120 ACCESS NULL POINTER
SEE USER’S GUIDE
Page 98
121 P APER NOT A T SPEED
SEE USER’S GUIDE
Page 98

IBM 6400 Series Specifications

General

Brand	IBM
Model	6400 Series
Category	Printer
Language	English