SERVICE TABLES AND PROCEDURES
SERVICE RAM ADDRESSES
Mode
Resolution
Standard
(Memory tx)
Standard
(Immediate tx)
Text
Detail
SSF
Standard
(Memory tx)
Standard
(Immediate tx)
Halftone
Detail
SSF
Bit 0: Edge detection
Bit 1: Not used; do not adjust the factory setting
Bit 2: Threshold value for edge detection
Bit 3: Background detection threshold
Bit 4: Not used; do not adjust the factory setting
Bit 5: MTF algorithm
Bit 6: Not used; do not adjust the factory setting
Bit 7: MTF
800C20 to 800D9F[H] - Latest 64 error codes (Read only)
(0054D4 to 005593[H])
One error record consists of 6 bytes of data.
First error record start address - 803382[H]
Second error record start address - 803388[H]
Third error record start address - 80338E[H]
:
:
64th error record start address - 80349D[H]
The format is as follows:
1st byte - Minute (BCD)
2nd byte - Hour (BCD)
3rd byte - Day (BCD)
4th byte - Month (BCD)
5th byte - Error code (low) [If the error code is 1-23, 23 is stored here.]
6th byte - Error code (high) [If the error code is 1-23, 01 is stored here.]
Bit no.
Address
8003FD[H]
(005309[H])
8003FE[H]
(00530A[H])
8003FF[H]
(00530B[H])
800400[H]
(00530C[H])
800401[H]
(00530D[H])
800402[H]
(00530E[H])
800403[H]
(00530F[H])
800404[H]
(005310[H])
1: On
0: Normal, 1: High
0: Low, 1: High
0: Low, 1: High
0: Off, 1: On
:
4-66
August 7th, 1995
7
6
5
4
3
2
1
The functions of each bit are
described below this table.
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
1
0
0
0
0
1
0
1
0
0
0
0
1
0
1
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0