Ricoh D065 Service Manual page 454

was switched off. (The XSCRDY signal did not go HIGH (inactive) within 3
sec.)
The polygon mirror motor PCB connector is loose, broken, or defective
Polygon mirror motor PCB defective
-
Polygon mirror motor defective
IPU defective
Polygon mirror motor error 3: XSCRDY signal error
D
The polygon mirror motor "Ready" signal goes inactive (HIGH) while images
are being produced or the synchronization signal is being output.
204
Polygon mirror motor PCB connector loose, broken, defective
- Polygon mirror motor PCB defective
Polygon mirror motor defective
Polygon mirror motor error 4: Unstable timeout
D
The "Ready" signal (XSCRDY) was detected as unstable for more than 20
sec. while the polygon mirror motor was operating at normal speed.
205
Electrical noise on the line with the motor signals
Polygon mirror motor PCB connector loose, broken, defective
-
Polygon mirror motor PCB defective
IPU defective
Laser synchronization detection error
The 1st laser synchronization detection unit could not detect the line
synchronization signal (DETP0) within 500 ms while the polygon mirror motor
D
was operating at normal speed.
220
Note: The unit polls for the signal every 50 ms. This SC is issued after the
10th attempt fails to detect the signal.
Laser synchronization board connector loose, broken, defective
-
Laser synchronization detection board is not installed correctly (out of
SM Appendix
Service Call Conditions
3-9 D062/D063/D065/D066