Input Check; Main Machine Input Check: Sp - Ricoh B234 Service Manual

5.4

INPUT CHECK

5.4.1

MAIN MACHINE INPUT CHECK: SP5803

This procedure allows you to test sensors and other components of the machine.
After you select one of the categories below by number, you will see a small 8-bit
table with the number of the bit and its current setting (0 or 1). The bits are
numbered 0 to 7, reading right to left.
1. Enter the SP mode and select SP5803.
2. Enter the class 3 number for the item that you want to check. A small box will
be displayed on the SP mode screen with a series of 0's and 1's where "0"
means "Off" and "1" means "On". The bits are arrayed as shown below.
Bit 7 6 5 4 3 2 1 0
Setting 1 1 0 0 1 0 1 0
3. Check the status of each item against the corresponding bit numbers listed in
the table below.
[1]
bit-7 Exit Unit Set Sensor
bit-6 Exit Sensor
bit-5 Job Time Sensor
bit-4 Exit Junction Gate HP
Sensor
bit-3 Abnormal Development
Bias
bit-2 Abnormal Charge Grid
bit-1 Abnormal Charge
Corona
bit-0 Drum Motor Overload
[4]
bit-7 -
bit-6 -
bit-5 -
bit-4 Fusing Unit Set: B236
bit-3 Fusing Unit Set:
B234/B235
bit-2 Toner Collection Coils
Sensor
bit-1 Cleaning Web End
Sensor
bit-0 Fusing Motor Overload
SM
[2]
bit-7 Cleaning Unit Set
bit-6 Pre-Charge Grid
bit-5 Pre-Charge Corona
bit-4 Total Counter Set
bit-3 Polygon Mirror Motor
Cooling Fan
bit-2 -
bit-1 -
bit-0 -
[5]
bit-7 Fusing Exit Sensor
bit-6 Fusing Unit Set
(Lower Drawer)
bit-5 ADF Open/Close
bit-4 Original Set
bit-3 Key Counter Set
bit-2 -
bit-1 -
bit-0 -
5-169
Input Check
[3]
bit-7 -
bit-6 -
bit-5 -
bit-4 -
bit-3 -
bit-2 -
bit-1 -
bit-0 Front Door Safety
Switch
[6]
bit-7 -
bit-6 Paper Remains:
2nd Tray 2
bit-5 Paper Remains:
2nd Tray 1
bit-4 Development
Toner Bottle Set
Sensor
bit-3 Paper Remains:
3rd Tray 2
bit-2 Paper Remains:
3rd Tray 1
bit-1 Lower Limit
Sensor
bit-0 -
B234/B235/B236/D101/D102/D103