Main Service Program Mode Tables
SM 5-159 B234/B235/B236/D101/D102/D103
Service
Tables
SP3xxx Process
3710
User SP
Sensor Settings
Super User Only
001 ID Sensor 1 ID sensor reading: Bare drum (Vsg)
Displays the present value of the ID sensor output (Vsg) after the ID sensor reads
the bare surface of the drum in the ID sensor pattern.
002 ID Sensor 2 ID sensor reading: Vsg when Vsp adjustment was done
Displays the value of ID sensor reading of the bard drum surface (Vsg) when the
Vsp reading was done.
003 Process Control On/Off
Displays "On" or "Off" to indicate the present status of the auto process control
operation.
• "ON" is displayed when auto process control is on and the drum potential sensor
has been calibrated correctly.
• "OFF" is displayed when auto process control has been switched off with
SP3901 001.
004 TD Sensor Reference
Use this SP to adjust the TD sensor reference voltage (Vref) manually. After you
replace the development unit, set the reference voltage to 2.5.
[0~5.0 / 2.5 / 0.01 V]
005 TD Sensor Output
Use this SP to display the present output of the TD sensor (Vt). Do this SP after you
replace the development unit and execute SP3710 004 to confirm that the TD
sensor is set for 2.5V (the correct reference voltage).
[0~5.0 / 2.5 / 0.01 V]
3720
PM Counts
Super User Only
User SP
Use these SP codes to display the PM counts for the TCRU units. The PM count
gradually increases as the unit reaches the end of its service life. These counts are
for the TCRU units only. The TCRU units are the units designated for removal and
replacement at the work site by trained users.
001 Development Development unit
002 PCU PCU unit
003 Cleaning Drum cleaning unit on the left side of the drum
004 Charge Main charge unit above the drum and to the right of the pre-
charge unit. The charge unit is larger than the pre-charge unit.
005 Pre-Charge Pre-charge unit above the drum and to the left of the charge
unit. The pre-charge unit is smaller than the charge unit.
006 Fusing Unit Fusing unit. This is the entire fusing unit, including the fusing
cleaning unit (web roll).
007 Fusing Cleaning The web roller and web take-up roller comprise the fusing
cleaning unit.
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