Id Sensor Error Analysis (Sp2-221) - Ricoh D069 Field Service Manual

6. System Maintenance Reference
• Be sure to print out all the lists. You have to manually change the SP settings if the NVRAM data
upload ends abnormally.
3. Select SP5-801-002.
4. Press the OK key.
5. Select "Execute." The messages "Execute?" followed by "Escape" and "Execute" are displayed.
6. Select "Execute."
7. When the program has ended normally, the message "Completed" is displayed. If the program has
ended abnormally, an error message is displayed.
8. Press the escape key.
9. Turn the main switch off and on.
10. Download the NVRAM data from a flash memory card (

ID Sensor Error Analysis (SP2-221)

6
The image quality may become very bad when the ID sensor does not operate properly. However, there
is no such SC code that indicates ID-sensor malfunction; instead, SP2-221 shows you some information
on the ID sensor. Check this information when the image quality is not very good.
The table lists the information shown with SP2-221 (ID Sensor Error Analysis).
SP
SP2-221-1 Vsg
(VG in the display)
SP2-221-2 Vsp
(VP in the display)
SP2-221-3 Power
(PW in the display)
SP2-221-4 Vsdp
SP2-221-5 Vt
186
Error condition
Vsg < 2.5V or
(Vsg – Vsp) < 1.00V
Vsp > 2.5V or
(Vsg – Vsp) < 1.00V
Vsg < 3.5V
when maximum power
(979) is applied
No Error Conditions
Vt > 4.5V or
Vt < 0.2V
"NVRAM Data Upload/Download").
Possible cause
• ID sensor defective
• ID sensor dirty
• Drum not charged
• Toner density very low
• ID sensor pattern not
created
• ID sensor defective
• ID sensor dirty
• Drum not get charged
• TD sensor defective
Remarks
-
-
Power source
for the ID-sensor
light
-
-