1 July 1991
3.13 DUPLEX
When lifting the duplex unit out of the duplex tray, hold both sides of the
duplex unit frame.
3.14 OTHERS
1. If the toner density in solid image areas decreases, shift the ID sensor
bias level to ?2? or ?3? using SP#33.
2. If the RAM on the old main board is still usable, remove and place it on
the new main board. Then, install the new main board to the copier.
3. After installing the new main board with the new RAM, clear the RAM
memory using SP mode #99. (Do not clear RAM memory if you have
placed the old RAM on the new main board.) Then, check and adjust the
data of the following SP modes:
Customer RequestsCopy Quality/Type of
Machine
SP Mode15, 16, 17, 19, 20, 21, 22,12, 30-35, 41-44, 47, 48, 54,
Numbers23, 25, 27, 28, 29, 76, 7756, 70, 71, 74
4. When replacing a sensor, do not overtighten the screws. This may
damage the sensor.
5. If a customer reports that red image areas on the original do not appear
on the copy, increase the image density. (Press the Manual Image
Density key.)
6. Tighten securly the screws used for grounding the following PCBs when
reinstalling them.
?AC Drive Board?Main DC Power Supply Board
?Optional DC Power Supply Bo?arCC/dGrid/Bias Power Pack
?TC/SC Power Pack
7. The RAM Board must be handled as follows:
WARNING: The RAM board has a lithium battery which can explode if han-
dled incorrectly, replace only with same RAM board. Do not recharge, disas-
semble or burn this battery. Used RAM boards must be handled in
accordance with local regulations.
4-37 |
ACEC
