Gestetner B147 Service Manual page 318

COPY SERVICE MODE
3-125 [Process Control]
3-125-6 TD Adj. Times
Limits the number of auto toner density adjustments.
The auto toner density adjustment consists of three steps: detecting the development
gamma, supplying or consuming toner, and detecting the development gamma again.
When these three steps are all complete, it means a single auto toner density
adjustment is complete.
3-126 [Forced Self Check] Forced Self-check
3-126-1 Forced Self Check
3-126-2 Forced TD Adj.
3-902 [Pointer Display] Pointer Table Display ([Color])
Displays the number in the pointer table that was selected during the latest process
control self-check.
3-902-1 Printer [K]
3-902-2 Printer [Y]
3-902-3 Printer [M]
3-902-4 Printer [C]
3-902-5 CF [K]
3-902-6 CF [Y]
3-902-7 CF [M]
3-902-8 CF [C]
3-903 [M/A Target] M/A Target ([Color])
Adjusts the M/A (Mass per Area, mg/cm
check.
Adjusting this changes the development bias. This causes the solid ID to increase or
decrease. If developer capability causes an ID problem, toner density needs to be
adjusted with SP3-120-1 to 4, depending on the color.
3-903-1 Printer [K]
3-903-2 Printer [Y]
3-903-3 Printer [M]
3-903-4 Printer [C]
3-903-5 CF [K]
3-903-6 CF [Y]
3-903-7 CF [M]
3-903-8 CF [C]
3-904 [M/A for LD] M/A Target for LD Correction ([Color])
Adjusts the M/A value used during the LD correction mode. This value is effective
when SP3-125-2 "LD Control Selection" is set to "2".
Adjusting this data effects the image reproduction especially in highlight areas.
3-904-1 Printer [K]
3-904-2 Printer [Y]
3-904-3 Printer [M]
3-904-4 Printer [C]
3-904-5 CF [K]
3-904-6 CF [Y]
3-904-7 CF [M]
3-904-8 CF [C]
B147/B149/B190
*BCU [ 1 to 3 / 3 / 1/step]
Performs a forced process control self-check.
Performs a forced auto toner density
adjustment.
*BCU [ 1 to 30 / - / 1/step ]
*BCU
*BCU
*BCU
*BCU
*BCU
*BCU
*BCU
2
) value used during the process control self-
*BCU [ 0 to 1.50 / 0.60 / 0.05 mg/cm
*BCU
*BCU
*BCU
*BCU
*BCU
*BCU
*BCU
*BCU [ 0 to 1.00 / 0.10 / 0.01 mg/cm2 /step] DFU
*BCU [ 0 to 1.00 / 0.12 / 0.01 mg/cm2 /step] DFU
*BCU
*BCU
*BCU [ 0 to 1.00 / 0.13 / 0.01 mg/cm2 /step] DFU
*BCU [ 0 to 1.00 / 0.14 / 0.01 mg/cm2 /step] DFU
*BCU
*BCU
5-30
2
/step ] DFU
SM