Service manual

REPAIR
SERVICE MANUAL
Troubleshooting
3-37
NOTES:
If a key other than the RETURN key is pressed, an error will occur.
A paper check is performed before printing. If paper is set, the print test is executed; if
no paper is set, the ERROR pop-up window is displayed. If you select to continue
printing, paper is automatically inserted by the ACF and to execute the print test.
After completing the disk drive test, the carriage automatically returns and the test
result is printed:
SERIAL NO.: (if it was entered)
If normal: DISK TEST OK DISK TYPE 0 (2DD)
DISK TYPE 1 (2HD)
If disk switch is defective: DISK ERROR 01
If write protect switch is defective: DISK ERROR 03
If other read/write errors occur: DISK ERROR 0F
7.3.4.2. Special FDD Test
(1) With paper set and no diskette in the disk drive, change the "DISK TYPE" (2HD or
2DD) displayed on the Self Test menu to that of test diskette.
(2) Select "8" from the Self Test menu. (If a serial number has not been input before
starting the test, the pop-up window will prompt for the serial number; either enter the
serial number and press RETURN, or press RETURN to start the test.) The display
as shown below appears:
SPECIAL FDD TEST
*****
*****
Insert write protected disk.
Fig. 3.23 Special FDD Test Display 1