User's Manual Part 3

Chapter 6 — Troubleshooting
6822 Series 80-Column Printer User’s Manual 115
Diagnostic Information
Field
Id
Length Description Stored as
Tota l
Length
01 4 Serial Number 7 digit BCD set at MFG 39 bytes
3 Date of Manufacture, yy/mm/dd 6 digit BCD set at MFG
7
7
7
7
Hardware Configuration
ddd-ddd-ddd/ddd (top level P/N)
ddd-ddd-ddd/ddd (control board)
ddd-ddd-ddd/ddd (power supply)
ddd-ddd-ddd/ddd (I/O board)
52 digit BCD set at
MFG
2 CRC of preceding fields 2 byte binary set at MFG
08 8 Hardware Revisions: ECNs. applied. 64
ECNs can record separately by number 1-64.
8 byte bit field 11 bytes
1 Service Repairs: a two-digit field indicating
number of times serviced
2 BCD digits
3 Date of last repair, yy/mm/dd 6 BCD digits
09 2 Cold starts since MFG or last repair binary digits 8 bytes
2 Warm starts since last cold start binary digits
2 Pages printed over life binary digits
10 2 Last high and low voltage extremes on 24 V
input over last 50 reports. Extremes stored as
8-bit A2D conversions
2 bytes 11 bytes
2 Voltage extreme history stores min/max 24 V
A2D conversions over printer life
2 bytes
1 24 V voltage error. Voltages greater than 10%
considered errors. A2D error count
1 byte
2 Form number at last voltage error 2 bytes
2 24 V error count 2 bytes
20 2 Last high and low voltage extremes on 12 V
input over last 50 reports. Extremes stored as
8-bit A2D conversions
2 bytes 11 bytes
2 Voltage extreme stores min/max 12 V A2D
conversions over printer life
2 bytes
1 12 V error. Voltages less than 10.5 V and
greater than 14.5 V are considered errors.
A2D value is recorded
1 byte
2 Page number at last 12 V error 2 bytes
2 12 V error count 2 bytes
30 2 Temperature, maximum and minimum over
last 50 reports. Set A2D value
2 bytes 11 bytes