3. The following displays:
Y PATH STATUS N
4. Press the Micro
↑
key to display sensor status.
Press the Load/Form Feed key to skip to step 5.
The current path status displays:
C:x F:x R:x P:yy
where:
v
C: is status of the Cutsheet sensor
v
F: is status of the Front fanfold sensor
v
R: is status of the Rear fanfold sensor
v
x will be B or F to indicate PATH BLOCKED or PATH FREE
v
P:yy will be P:OP or P:CL to indicate the position of lower rollers: OPEN or CLOSED
The display is continuously updated to indicate sensor status changes. Inserting paper into a path will
change the display from :F (free) to :B (blocked).
Press the Micro
↑
key to go to step 5.
5. The following displays:
Y THRESHOLD N
This part of the test is intended for use by Product Engineering, and allows the user to examine internal
sensor threshold values stored in NVRAM.
6. Press the Load/Form Feed key to skip to step 7 on page 188.
Press the Micro
↑
key to enter.
Chapter 2. Diagnostics
187
Summary of Contents for 4247
Page 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Page 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Page 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Page 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...