Troubleshooting; Self-Diagnostics; Check Items; Items Checked During Initialization - Ricoh IS450S Service Manual

22 December 1998

6. TROUBLESHOOTING

6.1 SELF-DIAGNOSTICS

The scanner automatically performs a series of self-diagnostic checks each time
the power is turned on. If an error is detected, it is displays the type of error using
the four LEDs on the scanner. See "Detailed Section Descriptions - Initialization"
for more details of the initialization procedure.

6.2 CHECK ITEMS

6.2.1 ITEMS CHECKED DURING INITIALIZATION

The self-diagnostics check the following items at power-up.
1) The ADF or ADF cover is not closed properly.
2) An original is jammed in the ADF.
3) There is a problem with the operation of the document table.
4) Memory error (system error)
Does the memory in the scanner work properly?
5) Home position error (system error)
Have the scanners reached home position properly?
6) Exposure lamp error (system error)
Is the standard white level detected properly?
NOTE: • If an error is detected for any of items 4) to 6), "System Error" is
indicated, and the details can be checked with the self-diagnostics (see
section 6-3).
• Even if an error is detected for item 2), scanning can start in book mode.
6-1
SELF-DIAGNOSTICS