Toshiba 1550 Service Handbook page 7

1.2 Self-Diagnostic Mode
Keys pressed
simultaneously
All control-panel LEDs
0+1
ON mode
0+2 Aging mode
0+3 Test mode
0+4 Test mode
0+5 Adjustment mode
0+6 Forced ready mode
0+7 Aging mode
0+8 Setting mode
Note: How to access each mode:
While pressing the two keys for the mode to access (ex. "0" and "5" for the adjustment mode), turn on the
main (power) switch.
<Procedure>
• All control-panel LEDs ON mode (01) :
0 1
Power
• Aging mode (02) :
0 2 Power
• Test mode (03 or 04) :
For this mode, refer to the "Input/Output Check" on page 1-6.
• Adjustment mode (05) :
For this mode, refer to the "Adjustment Mode" on page 1-9.
1550 ADJUSTMENT
Mode
All LEDs on the control panel come on.
Aging
Motor test and input/output check
(including initialization)
Motor test and input/output check
Various adjustments
Forces the copier to become ready.
Aging (with ADF)
System changing and setting defaults and
PM counter
All control-panel LEDs come on
Aging operation
PRINT
Description
C/S
C/S 0 9 Clear
1 - 4
Clearing
Indication
"Clear/Stop" key —
"09" AG
"09" CH
"09" CH
"09" AJ
—
—
AG
"09"
AD
"09"
Clear
Oct. 1995 © TOSHIBA CORP.