Xerox 7142 Service Manual - page 127
RJ-901C/RJ-900C Maintenance Manual
5 Self-Diagnosis Mode
5-9
5.4 Inspection Menu
In the inspection menuÅAthe various inspections on the circuit boards, sensors, and fans are available.
The inspection menu includes the following diagnosis items.
Table 5-2 Diagnosis Items for Inspection Menu
Diagnosis
item
Contents
Reference
Memory size Displays the size of memories installed on the main board assembly
"5.4.1 Memory
Size Menu" p.5-10
Version
Displays the versions of the firmware and main board assembly
• Firmware version
• Backup parameter version
• Setting of DIP switches
• Revision of main board assembly
"5.4.2 Version
Menu" p.5-11
Operation
panel
Used to check the functions of the operation panel keys, LCD, and
LED.
"5.4.3
Operation Panel
Menu" p.5-12
Sensor
Displays the status of the following sensors.
• CR_ORG sensor
• Cover sensor
• Lever sensor
• Head slide sensor
• Waste fluid box sensor
• P_EDGE sensor
• P_REAR sensor
• Head transistor thermistor sensor
• Head thermistor sensor
• Ink ID sensor
• Ink NOT sensor
• Ink END sensor
"5.4.4 Sensor
Menu" p.5-13
Encoder
Displays the detected values from the following encoders.
• CR (Carriage)
• PF (Media feed)
"5.4.5 Encoder
Menu" p.5-16
Fan
Used to check if the following fans operate normally by turning them
ON and OFF.
• Suction fan
• Cooling fan
"5.4.6 Fan
Menu" p.5-16
History
Used to check the following records. Used to initialize the serious
error history.
• Maintenance history
• Serious error history
"5.4.7 History
Menu" p.5-17
Head
waveform
Used to check the head-driving waveform.
"5.4.8 Head
Waveform Menu"
p.5-19