Service manual

Chapter 14
14-23
14.11.2 DRAM Test
14.11.2.1 D-RAM Test<(1) D-RAM TEST>
0011-4225
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / KaserBase MF6560PL / / LaserBase MF6580PL
D-RAM Test((1) D-RAM)
Press the numeric keypad key 1 on the test mode menu to select the D-DRAM test.
Press numeric keypad keys 1 and 2 during the D-DRAM test to carry out the individual tests described below.
Numeric keypad key 1
Checks to see if data can be correctly written to and read from all areas of D-RAM (SDRAM). If an error occurs making this check, the test is aborted, with an
error appearing on the touch panel (LCD).
Numeric keypad key 2
Checks to see if data can be correctly read from all areas of D-RAM (SDRAM). If an error occurs making this check, the test is aborted, with an error appearing
on the touch panel (LCD).
F-14-7
(1) FUNCTION TEST G3 4800bps G3 4800 bps signal transmission test
(3) 6-3 SENSOR [1] - [8] Sensor checks
(1) SENSOR CHECK 0:NORMAL 1:LATCH
(0) SENSOR NORMAL [0] - [2]
(0) CAS 0 REG 0 DEL 0 MULTI 0
(1) TONER 0 FULL 0 2ND-DEL 0000
(2) OP1 0000 OP2 0000 OP3 0000 PATH
0000
(1) SENSOR
LATCH [0] -
[2]
(0) CAS 0 REG 0 DEL 0 MULTI 0
(1) TONER 0 FULL 0 2ND-DEL 0000
(2) OP1 0000 OP2 0000 OP3 0000 PATH
0000
(2) SWITCH CHECK [0] - [1]
(0) CAS 0000 LOCK 0000
(1) OP1 0000 OP2 0000 OP3 0000
(3) DS ON DES of HPS ON BCVS of
(4) REF xxx ANT xxx |ANT-REF| xxx
(5) BSCT on BDAC[ A3] BDSS3-0 [ of of of of ]
(6) NCR Sts: NCR xxxxx DPT MGN OK RDY 0101
(7) LAST of EXIT of REG of CVR of
(8) WIND1 of WIND2 of WIND3 of WIND4 of
(4) ADF FEED TEST ADF delivery operation test
(5) BOOK FEED TEST Book copy operation test
(6) 6-6 SPEAKER FREQ:[1] VOL:[2] Speaker volume and buzzer frequency test
(7) Operation Panel Operation panel key, LCD and LED test
(8) FUNCTION TEST LAMP TEST ALL Lamp test
(9) LINE TEST [1] - [3] Line signal reception test
(0) ROLLER CLEAN 0:PRT 1:ADF Printer and ADF roller cleaning
(0) PRT ROL CLEAN Press start key
(1) ADF ROL CLEAN Press start key
Numerals enclosed in parentheses denote a numeric keypad key to be pressed each.
Group Subgroup Item 1 Item 2 Item 3 Explanation
D-RAM TEST 30208KB
D-RAM TEST 30208KB
D-RAM TEST 30208KB
complete (error)
D-RAM TEST 30208KB
[1] - [2]
D-RAM TEST 30208KB
complete (no error)
WRT= 33CC RD= 33EC
ADR= BF840201
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