![background image](http://html.mh-extra.com/html/willett/430/430_service-manual_981743163.webp)
430 Ink Jet Printer Service and Maintenance Manual
146
Issue 2
Part No. 306-0430-102
Fault Finding
Printer Fails to Initialise
Possible Cause
Remedial Action
No mains supply
Check that mains supply is available and switched on.
Mains input cable disconnected or
faulty
1
Check that mains input cable is connected.
2
Check continuity of cable. Repair or replace if faulty.
Printer mains fuse(s) failed
Check the fuses. Replace if necessary.
Mains inlet connector faulty
Check the mains inlet connector for continuity. Replace if faulty (see
Mains Inlet Connector
, page 119).
Cable between inlet connector and
mains switch is disconnected or
faulty
1
Check cable connections, reconnect if necessary.
2
Check cable for continuity. Replace if faulty.
Faulty mains switch
Check mains switch for continuity. Replace if faulty (see
Mains Switch
,
page 120).
Cable between mains switch and
PSU is disconnected or faulty
1
Check cable connections. Reconnect if necessary.
2
Check cable for continuity. Replace if faulty.
PSU faulty or PSU output not
reaching the I/O board
1
Check LEDs 1, 2 (dim or bright), 3, 4 and 5 on I/O board
(see
I/O Board Mk 2 TP Location
, page 72).
2
If any LED is extinguished go through steps
9
to
11
in that order.
Cable between PSU and I/O board
is faulty or disconnected
1
Check that cable is connected. Reconnect if necessary.
2
Check cable for continuity, replace if faulty.
PSU fuse failed
Check fuse, replace if necessary
(see
PSU Module Fuse Replacement
, page 114).
PSU faulty
Replace PSU (see
Power Supply Unit
, page 113).
I/O or CPU board failed
1
Check that LEDs 1, 2 (dim or bright), 3, 4 or 5 on I/O board are
illuminated (see
I/O Board Mk 2 Status LED Location
, page 72).
2
Change I/O board (see
I/O Board
, page 110). If fault remains then
change CPU board (see
CPU Board
, page 112).
Note:
LED2 on the I/O board has a clear lens that glows red when illuminated.
Table 39
Printer Fails To Initialise
Summary of Contents for 430
Page 1: ...430 Ink Jet Printer Service Manual THE WORLD S CODING AND LABELLING COMPANY ...
Page 7: ...430 Ink Jet Printer Service and Maintenance Manual vi Issue 2 Part No 306 0430 102 ...
Page 17: ...430 Ink Jet Printer Service and Maintenance Manual xvi Issue 2 Part No 306 0430 102 ...
Page 31: ...430 Ink Jet Printer Service and Maintenance Manual 14 Issue 2 Part No 306 0430 102 ...
Page 61: ...430 Ink Jet Printer Service and Maintenance Manual 44 Issue 2 Part No 306 0430 102 ...
Page 161: ...430 Ink Jet Printer Service and Maintenance Manual 144 Issue 2 Part No 306 0430 102 ...
Page 181: ...430 Ink Jet Printer Service and Maintenance Manual 164 Issue 2 Part No 306 0430 102 ...
Page 200: ... ...
Page 202: ... ...