Causes: OHP Sensor (PC2A) PWB-A (Engine Control Board)
Remedy: 1 Check the PWB-A connector for proper connection and correct as necessary. 2 PC2A sensor check. PWB-A PJ12A-6 (ON) 2-D 3 Change PWB-A.
Code: 23
Description: Waste Toner Near Full Error
Causes: Waste Toner Near Full Detection Board (PWB-C) Imaging Unit PWB-A (Engine Control Board)
Remedy: 1 Check the PWB-C connector for proper connection and correct as necessary. 2 Check the PWB-A connector for proper connection and correct as necessary. 3 Change the Imaging Unit. 4 Change PWB-C. 5 Change PWB-A.
Code: 29
Description: Faulty NVRAM Counter
Causes: NVRAM PWB-A (Engine Control Board)
Remedy: 1 Unplug the power cord and plug it in, then turn OFF and ON the Power Switch. 2 Check NVRAM (PJ26) on PWB-A for proper connection and correct as necessary. 3 Change PWB-A.
Code: 2A
Description: Faulty NVRAM Data
Causes: NVRAM PWB-A (Engine Control Board)
Remedy: 1 Unplug the power cord and plug it in, then turn OFF and ON the Power Switch. 2 Check NVRAM (PJ26) on PWB-A for proper connection and correct as necessary. 3 Change PWB-A.
Code: 2B
Description: NVRAM Access Failure
Causes: NVRAM PWB-A (Engine Control Board)
Remedy: 1 Unplug the power cord and plug it in, then turn OFF and ON the Power Switch. 2 Check NVRAM (PJ26) on PWB-A for proper connection and correct as necessary. 3 Change PWB-A.
Code: 2C
Description: NVRAM Install Failure
Causes: NVRAM PWB-A (Engine Control Board)
Remedy: 1 Unplug the power cord and plug it in, then turn OFF and ON the Power Switch. 2 Check NVRAM (PJ26) on PWB-A for proper connection and correct as necessary. 3 Change PWB-A.