Detail Note B
If the power to the printer is interrupted during this phase, the computer screen message will change to:
Printer doesn't respond: check connection!
This indicates that the CRC checking was not completed. To prevent any printer problems during
operation, you should repeat the download process from the beginning of the procedure.
Detail Note C
During the downloading, an error message can appear:
FOUND ERROR xx
Table 111. Error Codes
xx
Meaning
1
Illegal command detected
2
Error found in boot sector checksum
3
Error found in CRC
4
Error found during erase and write of flash memory
If an error message appears, power-off the printer. Corrective actions include:
v
Reseat or replace the parallel cable
v
Retry copying code from the diskette or the database.
Retry the download procedure from Step 2.
If the Error message repeats, you will need to replace the logic board and try again.
7. When the download is completed, power-off the printer and remove the parallel cable. Install the LAN card if
needed.
Appendix C. Flashing the Memory of the Model 003
555
Summary of Contents for 4247
Page 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Page 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Page 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Page 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...