APPENDIX (I)
TEST MODE
GR3770APX(I)-7
No. DETAILS OF MEMORY SW
121 Setting of original scanning density default (FB type)
(Initial setting of original scanning density on starting.)
Memory SW 0 1 2 3
Default Auto Manual 3 Manual 4 Power OFF state
122 Setting of sheet no. return on switching of Master Making mode
(Sets sheet no. return when mode has been switched to Master Making while in printing.)
Memory SW 0 1
Details Sheet no. return Sheet no. not returned
5. Memory Clear and Counter Stop, etc.
No. Details of Test Mode
90 Partial Memory Clear
Certain portion of RAM contents in the System PCB, such as Jam and Trouble messages, will be initialized.
(The same operation as when turning the power ON while pressing All Reset button.)
91 Master Marking Width Ceck (Except for GR1700)
92 Prevention of the following operations: master and copy counting, Key/card counter and “T17 CALL SER-
VICE” or [E17] error signal display (for dead battery)
• In normal operation, the Master count and Copy count signals will not be output, allowing a service technician
to print without increasing the digit of the Master and Copy counters.
• The machine will be released from this condition when the power is turned off.
[CAUTION]
Do not use this mode when TM5000 is in connection. Do not use this when TM5000 is in connection.
97 All Memory Clear
All RAM contents in the System PCBs, excluding Memory switch setting by Test modes, that is No.81 through 87,
will be initialized. Master disposal count is not cleared.
NOTE: This test mode must be done each time System ROM, System PCB, or Battery is changed.
98 Memory Switch Clear
Memory switch settings by Test modes No.81 through 87 will be initialized.
This test mode must be done each time System PCB is changed.
[CAUTION]
Do not use this test mode in normal operation.
All the programmed Memory switch settings in the machine will be initialized.
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