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Diagnostic information 2-71

4500

Dead machine service check

CAUTION: Check the AC line voltage. The voltage should be

within the following limits:

• 100 Volts alternating current (V ac)–127 V ac for the low voltage

model printer

• 200 V ac–240 V ac for the high voltage model printer

FRU Action

Low voltage power supply fuse

(LVPS)

Unplug the printer and check the

fuse on the LVPS board for

continuity.

• If open, replace with appropriate

fuse.

– If fuse opens again, see “Low

voltage power supply (LVPS)

service check ” on page 2-76

for more information.

• If not open, see power switch

below.

Power switch Restore power and turn on the

printer power switch.

Check for AC line voltage in the

switch cable, CN1 (LVPS board),

between pin 1 and ground and

between pin 3 and ground.

• If line voltage is present, see the

“Cover interlock switch service

check (E320/E322) ” on

page 2-69 or “Cover interlock

switch service check (E220/

E321/E323) ” on page 2-70 for

more information.

• If line voltage is not present on

CN1, replace the power switch or

check/correct missing line voltage.

Lexmark E320 Service Manual

Other manuals for Lexmark E320