Canon FAX-L380S Series, Service Manual

Page: 161 / 176

Chapter 5
5-31
F-5-24
5.5.11.2 DRAM Test
5.5.11.2.1 D-RAM Test
0011-5282
/ / FAX-L390 / / / FAX-L380S
D-RAM test menu is selected by pressing the numeric button 1 from the test mode menu. D-RAM Test 1 writes data to the entire D-RAM region and reads it out
to check that operations are correct. D-RAM Test 2 just reads data at high speed.
F-5-25
Before D-RAM test, output all image data in image memory. When D-RAM test is performed, all image data are cleared.
[1] D-RAM
[2] CCD TEST
[3] PRINT
[4] MODEM NCU
[5] AGING TEST
[6] FACULTY TEST
[1] D-RAM
[2] D-RAM
[3] I-RAM
[0] AMI PT
[1] WHT
[2] BLK
[3] STRPS
[4] CHKRS
[5] CHKRS2
[6] ENDUR
[7] BK/WHT
[8] BIAS
[9] CHKRS3
[*] PRT AR
[#] CRG
[1] RELAY
[2] FREQ
[4] G3 Tx
[5] DTMF Tx TEST
[6] TONE Rx
[8] V.34 G3 Tx TEST
[1] G3 4800BPS Tx
[3] SENSOR
[4] ADF
[5] STAMP
[6] SPEAKER
[7] OPERATION PANEL
[9] LINE DETECT
TEST MODE
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
" " indicates that these items
are not used in the field.
*
13824K D-RAM total memory capacity (bytes)
Operating
Normal end
Error
Error end
Restart by pressing
Start button
Error display
WRT: data written
RD: data read
ADR: address
1 D-RAM 13824K
. . . . . . .
1 D-RAM 13824K
complete (no error)
WRT=33CC RD=33EC
ADR=BF840201
1 D-RAM 13824K
complete (error)
: indicate an address for which write testing is complete.
.: indicate an address for which read testing is complete.