Service manual
30 July, 2001 PRINTER ENGINE SERVICE MODE
5-15
Service
Tables
2
Mode No.
(Class 1, 2, and 3)
Function / [ Setting ]
[Polygon OFF 1] Polygon Mirror Motor OFF Timing
1 Warming-up * The polygon mirror motor turns off if the machine
receives no print start command for the time
specified in this SP mode after receiving the print
preparation command.
[ 0 to 60 / 10 / 1 second/step ]
0: Not turned off except for Energy Saver mode
112
2 Job End * The polygon mirror motor turns off if the machine
receives no print job for the time specified in this
SP mode after the previous job was completed.
[ 0 to 60 / 1 / 1 second/step ]
0: Not turned off except for Energy Saver mode
[Polygon OFF 2] Polygon Mirror Motor OFF
113
1 Polygon OFF 2 The polygon mirror motor does not turn on until
the printer enters the ready condition even after
receiving the print start command.
[ 0 or 1 / 1 / 1 /step ]
0: Enable, 1: Disable
NOTE: When a user complains about high
frequency noise, enabling this mode can
minimize the noise.
[Dev. Bias] Development Bias ([Color], Process Speed)
1 [K] 62.5 *
2[K] 125 *
3[K] 185 *
4 [Y] 62.5 *
5[Y] 125 *
6 [M] 62.5 *
7[M] 125 *
8 [C] 62.5 *
201
9[C] 125 *
Adjusts the development bias.
Development bias is automatically adjusted during
process control; therefore, adjusting these settings
has no effect while Process Control (SP3-125
Default: ON) is activated.
After deactivating Process Control with SP3-125,
the values in these SP modes are used for
printing.
[ 200 to 800 / 500 / 10 V/step ] DFU
[Forced Toner] Forced Toner Supply ([Color])
1[K] *
2[Y] *
3[M] *
207
4[C] *
Forces toner to be supplied to the development
unit for the number of times specified by this SP
mode.
1 time: The toner supply clutch turns on for 0.7 s
and off for 1.3 s.
[ 0 to 3 / 2 / 1/step ]
[Toner Mode] Toner Supply Method ([Color])
1[K] *
2[Y] *
3[M] *
4[C] *
Selects the toner supply method.
[ 0 to 2 / 1 / 1/step ] Alphanumeric
0: Fixed supply (with the supply rates stored with
SP2-208-5 to 8)
1: Fuzzy control supply
2: Proportional control supply (using the Vref
values stored with SP2-224-5 to 8)
5 Fixed Rate [K] *
6 Fixed Rate [Y] *
7 Fixed Rate [M] *
208
8 Fixed Rate [C] *
Sets the toner supply rate used when the toner
supply method (SP2-208-1 to 4) is set to ‘0’ (fixed
supply mode).
[ 0 to 100 / 5 / 1%/step ]